Masaru Yokoyama

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Higashimurayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for controlling automatic log-on function
- Patent number 5,721,881
- Issue date Feb 24, 1998
- Hitachi, Ltd.
- Hidenori Shimizu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disc apparatus with a guide for disk insertion
- Patent number 5,220,552
- Issue date Jun 15, 1993
- Hitachi, Ltd.
- Chikazu Yokoi
- G11 - INFORMATION STORAGE