Kenkichi Akaoka

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Saku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tape cassette
- Patent number 5,082,197
- Issue date Jan 21, 1992
- TDK Corporation
- Takateru Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge having a liner and an elastic member for maintaining...
- Patent number 4,979,065
- Issue date Dec 18, 1990
- TDK Corporation
- Masaru Ikebe
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette
- Patent number 4,949,210
- Issue date Aug 14, 1990
- TDK Corporation
- Takateru Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape pad for a magnetic tape cassette
- Patent number 4,663,689
- Issue date May 5, 1987
- TDK Corporation
- Masatoshi Okamura
- G11 - INFORMATION STORAGE