Akiyoshi Ito

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Patents Grantslast 30 patents

Information Patent Grant
Method for recording and reproduction on a magneto-optical recordin...
- Patent number 7,113,453
- Issue date Sep 26, 2006
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and method for recording and repro...
- Patent number 5,923,625
- Issue date Jul 13, 1999
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE