Yasuhiko Okuhara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Digital information processing system with copy protection subsystem
- Patent number 6,452,952
- Issue date Sep 17, 2002
- NEC Corporation
- Yasuhiko Okuhara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image data processor
- Patent number 6,246,802
- Issue date Jun 12, 2001
- NEC Corporation
- Shiro Fujihara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Output control circuit capable of carrying out a wide variety of fa...
- Patent number 5,483,293
- Issue date Jan 9, 1996
- NEC Corporation
- Yasuhiko Okuhara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE