JP4448096B2 - 排気ガス処理装置及び排気ガス処理方法 - Google Patents
排気ガス処理装置及び排気ガス処理方法 Download PDFInfo
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- JP4448096B2 JP4448096B2 JP2005511058A JP2005511058A JP4448096B2 JP 4448096 B2 JP4448096 B2 JP 4448096B2 JP 2005511058 A JP2005511058 A JP 2005511058A JP 2005511058 A JP2005511058 A JP 2005511058A JP 4448096 B2 JP4448096 B2 JP 4448096B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0892—Electric or magnetic treatment, e.g. dissociation of noxious components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0809—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes employing two or more electrodes
- B01J2219/0813—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes employing two or more electrodes employing four electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0824—Details relating to the shape of the electrodes
- B01J2219/0826—Details relating to the shape of the electrodes essentially linear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0824—Details relating to the shape of the electrodes
- B01J2219/0835—Details relating to the shape of the electrodes substantially flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0837—Details relating to the material of the electrodes
- B01J2219/0843—Ceramic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0881—Two or more materials
- B01J2219/0883—Gas-gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0892—Materials to be treated involving catalytically active material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0894—Processes carried out in the presence of a plasma
- B01J2219/0898—Hot plasma
Description
アルミナから構成されたセラミック体の内部にタングステン導電膜を印刷して配設したパルス電極とアース電極を形成し、このパルス電極とアース電極を、ケース体の内部に、交互に五枚ずつ対向配置させ、さらに、このパルス電極に所定の時間間隔で周波数及び電圧値を切り替えられるパルス電源を接続して排気ガス処理装置(実施例1〜7)を製造した。
排気ガス処理装置を構成する電源が、一種類の周波数及び電圧値のパルス電流しか供給することができないものであること以外は、実施例1の排気ガス処理装置と同様に構成された排気ガス処理装置(比較例1〜5)を製造した。各電極間の距離(mm)、周波数(Hz)、電圧値(kV)を表1に示す。
Claims (13)
- 被処理物質を含む排気ガスの流路となるケース体と、前記ケース体の内部にプラズマを発生させることが可能なプラズマ発生手段とを備え、前記プラズマ発生手段で発生したプラズマによって前記排気ガスに含まれる前記被処理物質を処理する排気ガス処理装置であって、
前記プラズマ発生手段が、前記ケース体の内部に対向配置された一以上のパルス電極及びアース電極と、所定の時間間隔で異なる周波数及び/又は電圧値に切り替えて前記パルス電極にパルス電流を供給することが可能なパルス電源とを有し、前記パルス電源から供給する前記パルス電流の周波数及び/又は電圧値を、前記パルス電極と前記アース電極との間に前記排気ガスに含まれる前記被処理物質に適した種類のプラズマが発生するように、所定の時間間隔で、一の前記被処理物質としての一酸化窒素の処理に適した低周波数及び/又は低電圧のパルス電流と、他の前記被処理物質としての煤の処理に適した高周波数及び/又は高電圧のパルス電流とに、交互に切り替えることにより、前記排気ガスに含まれる前記被処理物質を選択的に処理することが可能な排気ガス処理装置。 - 前記所定の時間間隔が、0.01〜500秒である請求項1に記載の排気ガス処理装置。
- 前記パルス電源が、周波数が100〜1000Hzの第一のパルス電流と、周波数が500〜2500Hzの第二のパルス電流とに交互に切り替えて供給することが可能なものである請求項1又は2に記載の排気ガス処理装置。
- 前記パルス電源が、電圧値が2〜5kVの第三のパルス電流と、電圧値が3〜20kVの第四のパルス電流とに交互に切り替えて供給することが可能なものである請求項1〜3のいずれかに記載の排気ガス処理装置。
- 前記パルス電極及び/又は前記アース電極が、誘電体となるセラミック体と、セラミック体の内部に配設された導電膜とから構成されたものである請求項1〜4のいずれかに記載の排気ガス処理装置。
- 前記排気ガスの流路における前記プラズマ発生手段の下流側に、触媒をさらに備えた請求項1〜5のいずれかに記載の排気ガス処理装置。
- 被処理物質を含む排気ガスの流路にプラズマを発生させて、発生したプラズマによって前記排気ガスに含まれる前記被処理物質を処理する排気ガス処理方法であって、
一以上のパルス電極及びアース電極を前記排気ガスの流路に対向配置し、前記パルス電極に、前記パルス電極と前記アース電極との間に前記排気ガスに含まれる前記被処理物質に適した種類のプラズマが発生するように、所定の時間間隔で、一の前記被処理物質としての一酸化窒素の処理に適した低周波数及び/又は低電圧のパルス電流と、他の前記被処理物質としての煤の処理に適した高周波数及び/又は高電圧のパルス電流とに、交互に切り替えてパルス電流を供給し、前記排気ガスに含まれる前記被処理物質を選択的に処理する排気ガス処理方法。 - 前記所定の時間間隔が、0.01〜500秒である請求項7に記載の排気ガス処理方法。
- 前記パルス電流を、周波数が100〜1000Hzの第一のパルス電流と、周波数が500〜2500Hzの第二のパルス電流とに交互に切り替えて供給する請求項7又は8に記載の排気ガス処理方法。
- 前記パルス電流を、電圧値が2〜5kVの第三のパルス電流と、電圧値が3〜20kVの第四のパルス電流とに交互に切り替えて供給する請求項7〜9のいずれかに記載の排気ガス処理方法。
- 前記排気ガスが自動車のエンジンから排出される排気ガスであり、前記エンジンの回転数及び/又は負荷の変化に対応させて、前記所定の時間間隔で、異なる周波数及び/又は電圧値に段階的に切り替えて前記パルス電流を供給する請求項7〜10のいずれかに記載の排気ガス処理方法。
- 前記排気ガスが自動車のエンジンから排出される排気ガスであり、前記エンジンの回転数及び/又は負荷の変化に対応させて、周波数及び/又は電圧値を切り替える前記所定の時間間隔を段階的に変化させる請求項7〜11のいずれかに記載の排気ガス処理方法。
- 前記排気ガスの流路における前記プラズマを発生させた部位より下流側に触媒を配設し、前記プラズマを通過した排気ガスを前記触媒によってさらに処理する請求項7〜12のいずれかに記載の排気ガス処理方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2003184286 | 2003-06-27 | ||
JP2003184286 | 2003-06-27 | ||
PCT/JP2004/009016 WO2005000450A1 (ja) | 2003-06-27 | 2004-06-25 | 排気ガス処理装置及び排気ガス処理方法 |
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JPWO2005000450A1 JPWO2005000450A1 (ja) | 2006-11-30 |
JP4448096B2 true JP4448096B2 (ja) | 2010-04-07 |
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JP2005511058A Expired - Fee Related JP4448096B2 (ja) | 2003-06-27 | 2004-06-25 | 排気ガス処理装置及び排気ガス処理方法 |
Country Status (4)
Country | Link |
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US (1) | US7700051B2 (ja) |
EP (1) | EP1642633B1 (ja) |
JP (1) | JP4448096B2 (ja) |
WO (1) | WO2005000450A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4619969B2 (ja) * | 2006-03-22 | 2011-01-26 | 日本碍子株式会社 | プラズマ反応装置 |
US20100018850A1 (en) * | 2008-07-28 | 2010-01-28 | Caterpillar Inc. | System for removing particulate matter from exhaust streams |
JP5058199B2 (ja) * | 2009-03-30 | 2012-10-24 | 京セラ株式会社 | 放電装置および放電装置を用いた反応装置 |
EP2451991B1 (en) | 2009-07-08 | 2019-07-03 | Aixtron SE | Method for plasma processing |
JP5473001B2 (ja) | 2009-10-16 | 2014-04-16 | コリア・インスティテュート・オブ・マシナリー・アンド・マテリアルズ | 汚染物質除去用プラズマ反応器及び駆動方法 |
US20170122269A1 (en) * | 2014-10-21 | 2017-05-04 | Eduardo L. COBANKIAT | Oxygen excitation system for increasing efficiency and minimizing pollutants of combustion |
JP6713216B2 (ja) * | 2016-09-30 | 2020-06-24 | ダイハツ工業株式会社 | リアクタ印加電圧推定装置 |
CN114191950A (zh) * | 2022-01-07 | 2022-03-18 | 河海大学 | 一种放电等离子体甲醛快速清除装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05144594A (ja) * | 1991-11-19 | 1993-06-11 | Ebara Corp | 放電プラズマ発生装置 |
JPH05220340A (ja) | 1992-02-13 | 1993-08-31 | Meidensha Corp | 排気ガス処理装置 |
JPH0747223A (ja) | 1993-08-06 | 1995-02-21 | Mitsubishi Heavy Ind Ltd | 気体酸化用電界装置 |
JPH07155530A (ja) | 1993-12-03 | 1995-06-20 | Aqueous Res:Kk | 排ガス処理装置 |
JPH0866620A (ja) | 1994-08-29 | 1996-03-12 | Takuma Co Ltd | 排ガス処理の制御方法 |
US5822981A (en) * | 1996-08-19 | 1998-10-20 | Hughes Electronics Corporation | Automatic control system and method for corona discharge pollutant destruction apparatus |
US6464945B1 (en) * | 1999-03-11 | 2002-10-15 | Delphi Technologies, Inc. | Non-thermal plasma exhaust NOx reactor |
JP4292629B2 (ja) * | 1999-06-28 | 2009-07-08 | 株式会社デンソー | 内燃機関の排気浄化装置 |
JP2001164925A (ja) | 1999-12-10 | 2001-06-19 | Mitsubishi Motors Corp | プラズマ排気ガス処理システム |
JP2001295634A (ja) * | 2000-04-12 | 2001-10-26 | Mitsubishi Motors Corp | 排気浄化装置 |
JP2001297896A (ja) * | 2000-04-14 | 2001-10-26 | Keyence Corp | プラズマ処理方法及びその装置 |
JP2001295629A (ja) | 2000-04-14 | 2001-10-26 | Hideo Kawamura | プラズマでパティキュレート物質を反応消滅させるdpf装置 |
DE10021071C1 (de) * | 2000-04-29 | 2002-03-07 | Omg Ag & Co Kg | Verfahren zur Entfernung von Stickoxiden aus einem Sauerstoff enthaltenden Rauchgasstrom |
JP2001314749A (ja) * | 2000-05-12 | 2001-11-13 | Honda Motor Co Ltd | プラズマリアクタにおける異常判定方法 |
JP2002129949A (ja) | 2000-10-19 | 2002-05-09 | Denso Corp | 内燃機関の排気浄化装置 |
JP4828693B2 (ja) | 2000-12-15 | 2011-11-30 | 俊介 細川 | 極短パルス高電圧加電式ガス浄化方法 |
FR2820052B1 (fr) * | 2001-01-30 | 2003-11-28 | Armines Ass Pour La Rech Et Le | Procede d'extraction du dioxyde de carbone par anti-sublimation en vue de son stockage |
JP2002357119A (ja) | 2001-03-02 | 2002-12-13 | Yukio Kinoshita | 放電現象などを用いた高効率排気ガス処理システム |
JP2004204739A (ja) | 2002-12-24 | 2004-07-22 | Toshiba Corp | 排ガス浄化システムおよび排ガス浄化方法 |
-
2004
- 2004-06-25 EP EP04746485A patent/EP1642633B1/en not_active Expired - Fee Related
- 2004-06-25 US US10/562,597 patent/US7700051B2/en not_active Expired - Fee Related
- 2004-06-25 WO PCT/JP2004/009016 patent/WO2005000450A1/ja active Application Filing
- 2004-06-25 JP JP2005511058A patent/JP4448096B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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EP1642633B1 (en) | 2011-12-21 |
WO2005000450A1 (ja) | 2005-01-06 |
JPWO2005000450A1 (ja) | 2006-11-30 |
EP1642633A1 (en) | 2006-04-05 |
US7700051B2 (en) | 2010-04-20 |
EP1642633A4 (en) | 2007-06-27 |
US20060156985A1 (en) | 2006-07-20 |
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