Nobuyoshi Izawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Media library system using media management scheme for reducing rec...
- Patent number 5,936,794
- Issue date Aug 10, 1999
- Nippon Telegraph and Telephone Corp.
- Makoto Mizukami
- G11 - INFORMATION STORAGE
Information Patent Grant
Media library system with improved media management scheme
- Patent number 5,598,385
- Issue date Jan 28, 1997
- Nippon Telegraph & Telephone Corporation
- Makoto Mizukami
- G11 - INFORMATION STORAGE
Information Patent Grant
Totally self-checking checker
- Patent number 5,179,561
- Issue date Jan 12, 1993
- NTT Data Communications Systems Corporation
- Nobuyoshi Izawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information recording control system reusing a defective area
- Patent number 4,833,665
- Issue date May 23, 1989
- Hitachi, Ltd.
- Kenji Tokumitsu
- G11 - INFORMATION STORAGE