Kazuhiro Akiyama

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Hachioji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of personal verification for computer system, computer syste...
- Patent number 6,724,919
- Issue date Apr 20, 2004
- Kabushiki Kaisha Toshiba
- Kazuhiro Akiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal producing apparatus for optical recording/reproducing appara...
- Patent number 5,229,984
- Issue date Jul 20, 1993
- Olympua Oprixl Co. Ltd.
- Osamu Konno
- G11 - INFORMATION STORAGE