Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pentax Corp
Canon Inc
Topcon Corp
Koparu KK
Minolta Co Ltd
Konica Minolta Inc
Ricoh Co Ltd
Chinon KK
Original Assignee
Canon Inc
Koparu KK
Minolta Co Ltd
Konica Minolta Inc
Ricoh Co Ltd
Tokyo Kogaku Kikai KK
Chinon KK
Asahi Kogaku Kogyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc, Koparu KK, Minolta Co Ltd, Konica Minolta Inc, Ricoh Co Ltd, Tokyo Kogaku Kikai KK, Chinon KK, Asahi Kogaku Kogyo Co LtdfiledCriticalCanon Inc
Priority to JP11009676ApriorityCriticalpatent/JPS5335505A/ja
Publication of JPS5335505ApublicationCriticalpatent/JPS5335505A/ja
Publication of JPS6124702B2publicationCriticalpatent/JPS6124702B2/ja