Tetsuji Ohno

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic discussion system for exchanging information among users...
- Patent number 6,594,652
- Issue date Jul 15, 2003
- Hitachi, Ltd.
- Yoshiaki Sunaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic conference system
- Patent number 6,101,532
- Issue date Aug 8, 2000
- Hitachi, Ltd.
- Takashi Horibe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic discussion system for exchanging information among users
- Patent number 6,094,675
- Issue date Jul 25, 2000
- Hitachi, Ltd.
- Yoshiaki Sunaga
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Information processing device for managing data storage and method...
- Publication number 20050120057
- Publication date Jun 2, 2005
- Hirobumi Hashimoto
- G06 - COMPUTING CALCULATING COUNTING