Masakatu Yokoyama

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Graphic data processing system
- Patent number 5,448,689
- Issue date Sep 5, 1995
- Hitachi, Ltd.
- Shigeru Matsuo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Graphic processor suitable for graphic data transfer and conversion...
- Patent number 5,202,962
- Issue date Apr 13, 1993
- Hitachi, Ltd.
- Shigeru Matsuo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Graphic processor suitable for graphic data transfer and conversion...
- Patent number 4,965,750
- Issue date Oct 23, 1990
- Hitachi, Ltd.
- Shigeru Matsuo
- G06 - COMPUTING CALCULATING COUNTING