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Seiichi Yokosawa
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Saitama, JP
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last 30 patents
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Patent Grant
Digital signal tape recording/reproducing apparatus with improved s...
Patent number
4,875,115
Issue date
Oct 17, 1989
Pioneer Electronic Corporation
Seiichi Yokosawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary head digital audio recording/reproducing apparatus
Patent number
4,864,436
Issue date
Sep 5, 1989
Pioneer Electronic Corporation
Yutaka Masumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary head type digital audio signal reproducing apparatus
Patent number
4,860,130
Issue date
Aug 22, 1989
Pioneer Electronic Corporation
Seiichi Yokosawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital signal reproducing apparatus
Patent number
4,841,390
Issue date
Jun 20, 1989
Pioneer Electronic Corporation
Seiichi Yokosawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for recording and reading out a video format signal
Patent number
4,647,985
Issue date
Mar 3, 1987
Pioneer Electronic Corporation
Seiichi Yokosawa
G11 - INFORMATION STORAGE