Masafumi Okojima

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic commerce system and method for providing commercial info...
- Patent number 7,031,934
- Issue date Apr 18, 2006
- Hitachi, Ltd.
- Daisaku Mori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic commerce system and method for providing commercial info...
- Patent number 6,070,148
- Issue date May 30, 2000
- Hitachi, Ltd.
- Daisaku Mori
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Electronic commerce system and method for providing commercial info...
- Publication number 20020133428
- Publication date Sep 19, 2002
- Daisaku Mori
- G06 - COMPUTING CALCULATING COUNTING