Tetsuji Iwashita

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Ayase, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for detecting a defect on a magneto-optical disk
- Patent number 5,568,454
- Issue date Oct 22, 1996
- Tosoh Corporation
- Yasuji Shima
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk inspecting method and apparatus
- Patent number 5,270,879
- Issue date Dec 14, 1993
- Tosoh Corporation
- Yasuji Shima
- G11 - INFORMATION STORAGE