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Katsuya Yokoyama
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Machida, JP
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last 30 patents
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Patent Grant
Method of and system for driving magnetic tape
Patent number
4,875,610
Issue date
Oct 24, 1989
Fuji Photo Film Co., Ltd.
Tatsuji Kitamoto
G11 - INFORMATION STORAGE
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Patent Grant
Video signal recording method and associated recording/reproducing...
Patent number
4,839,744
Issue date
Jun 13, 1989
Nippon Hoso Kyokai
Seishi Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
PCM helical-scan magnetic record/playback systems
Patent number
4,809,118
Issue date
Feb 28, 1989
Nippon Hoso Kyokai
Shozo Nakagawa
G11 - INFORMATION STORAGE
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Patent Grant
Digital magnetic recording and reproducing apparatus
Patent number
4,234,898
Issue date
Nov 18, 1980
Nippon Hoso Kyokai
Shozo Nakagawa
G11 - INFORMATION STORAGE