Toshihiko Kawai

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magneto-optical disk drive device that writes and reads from two si...
- Patent number 5,790,483
- Issue date Aug 4, 1998
- Nikon Corporation
- Toshihiko Kawai
- G11 - INFORMATION STORAGE
Information Patent Grant
Opto-magnetic recording apparatus having over-write and non-over-wr...
- Patent number 5,164,925
- Issue date Nov 17, 1992
- Nikon Corporation
- Masatoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
External magnetic field generating device for optical magnetic disk...
- Patent number 5,126,984
- Issue date Jun 30, 1992
- Nikon Corporation
- Toshihiko Kawai
- G11 - INFORMATION STORAGE