Yoshifumi Sakai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Performance evaluation device, performance evaluation information m...
- Patent number 7,222,269
- Issue date May 22, 2007
- NS Solutions Corporation
- Kentaro Kurinami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for recognizing hand-written characters using...
- Patent number 5,812,697
- Issue date Sep 22, 1998
- Nippon Steel Corporation
- Yoshifumi Sakai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Performance evaluation device, performance evaluation information m...
- Publication number 20030110421
- Publication date Jun 12, 2003
- NS SOLUTIONS CORPORATION
- Kentaro Kurinami
- G06 - COMPUTING CALCULATING COUNTING