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Tetsuo Ishiwata
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Suita, JP
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last 30 patents
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Patent Grant
Method and apparatus for reproducing independently recorded multi-c...
Patent number
5,386,323
Issue date
Jan 31, 1995
Matsushita Electric Industrial Co., Ltd.
Tetsuo Ishiwata
G11 - INFORMATION STORAGE
Information
Patent Grant
Sync signal detection system in a memory system for recording and r...
Patent number
5,228,041
Issue date
Jul 13, 1993
Matsushita Electric Industrial Co., Ltd.
Tadashi Yoshino
G11 - INFORMATION STORAGE
Information
Patent Grant
Sampling frequency reproduction system
Patent number
5,142,420
Issue date
Aug 25, 1992
Matsushita Electric Industrial Co., Ltd.
Hiroshi Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for recording/reproducing a digital audio signal with a v...
Patent number
5,068,752
Issue date
Nov 26, 1991
Matsushita Electric Industrial Co., Ltd.
Hiroshi Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data companding method and data compressor/expander
Patent number
5,047,768
Issue date
Sep 10, 1991
Matsushita Electric Industrial Co., Ltd.
Susumu Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Memory system for recording and reproducing block unit data
Patent number
5,021,897
Issue date
Jun 4, 1991
Matsushita Electric Industrial Co., Ltd.
Tadashi Yoshino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording and reproducing apparatus
Patent number
4,873,590
Issue date
Oct 10, 1989
Matsushita Electric Industrial Co., Ltd.
Tetsuo Ishiwata
G11 - INFORMATION STORAGE