Yoshimi Oota

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Design and production supporting system for component arrangement a...
- Patent number 5,740,341
- Issue date Apr 14, 1998
- Hitachi, Ltd.
- Yoshimi Oota
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Displaying method and apparatus for three-dimensional computer grap...
- Patent number 5,379,371
- Issue date Jan 3, 1995
- Hitachi, Ltd.
- Yoshiaki Usami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Displaying method and apparatus for three-dimensional computer grap...
- Patent number 4,994,989
- Issue date Feb 19, 1991
- Hitachi, Ltd.
- Yoshiaki Usami
- G06 - COMPUTING CALCULATING COUNTING