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1976-05-13 |
1977-11-16 |
Fujitsu Ltd |
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1978-05-26 |
1979-12-12 |
Sony Corp |
Magnetic head
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1980-10-28 |
1984-05-08 |
Compagnie Internationale Pour L'informatique Cii-Honeywell Bull (Societe Anonyme) |
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1981-08-17 |
1983-02-25 |
Sony Corp |
磁気抵抗効果型磁気ヘツド
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1982-04-13 |
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Minnesota Mining And Manufacturing Company |
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1982-06-14 |
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1982-08-30 |
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1982-11-02 |
1986-04-08 |
Nec Corporation |
Buried servo recording system having dual transducers
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1982-12-16 |
1984-06-28 |
Sony Corp |
磁気抵抗効果型磁気ヘツド
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1983-01-14 |
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1983-03-01 |
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1983-06-15 |
1986-07-08 |
Eastman Kodak Company |
Inductively-coupled, thin-film M-R head
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1985-04-26 |
1986-10-30 |
Sharp K.K., Osaka |
Duennfilm-magnetkopf
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1986-03-05 |
1987-09-10 |
Fuji Photo Film Co Ltd |
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1990-01-29 |
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1990-06-08 |
1995-02-14 |
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1990-09-27 |
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1997-05-14 |
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1992-06-25 |
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1993-03-09 |
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