Chiaki Sugai

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recording medium cassette and a recording/reproducing apparatus
- Patent number RE35950
- Issue date Nov 10, 1998
- Sony Corporation
- Takashi Sawada
- 242 - Winding, tensioning, or guiding
Information Patent Grant
Apparatus for reading and/or displaying information obtained from a...
- Patent number 5,625,517
- Issue date Apr 29, 1997
- Sony Corporation
- Takashi Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium cassette and a recording/reproducing apparatus
- Patent number 5,390,870
- Issue date Feb 21, 1995
- Sony Corporation
- Takashi Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Lid assembly for a tape cassette which protects front and rear surf...
- Patent number 5,322,237
- Issue date Jun 21, 1994
- Sony Corporation
- Shuichi Ota
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape supplying and taking up apparatus and tape cassettes for use t...
- Patent number 5,316,236
- Issue date May 31, 1994
- Sony Corporation
- Shinichi Hasegawa
- G11 - INFORMATION STORAGE