Osamu Yamamoto

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Patents Grantslast 30 patents

Information Patent Grant
Tape cartridge having a name plate with an index formed thereon
- Patent number 5,253,822
- Issue date Oct 19, 1993
- Hitachi Maxell, Ltd.
- Tadao Matsuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cartridge using metal and plastic resin
- Patent number 5,088,656
- Issue date Feb 18, 1992
- Hitachi Maxell, Ltd.
- Osamu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording tape cartridge
- Patent number 4,802,045
- Issue date Jan 31, 1989
- Hitachi Maxell, Ltd.
- Osamu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording tape cartridge and hub for use therein and method of maki...
- Patent number 4,760,972
- Issue date Aug 2, 1988
- Hitachi Maxell, Ltd.
- Shigeo Sasaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tape cartridge
- Patent number 4,731,687
- Issue date Mar 15, 1988
- Hitachi Maxell, Ltd.
- Shinichi Kagano
- G11 - INFORMATION STORAGE
Information Patent Grant
Hub for use in a magnetic recording tape cassette
- Patent number 4,290,562
- Issue date Sep 22, 1981
- Hitachi Maxell, Ltd.
- Shigeo Sasaki
- G11 - INFORMATION STORAGE