Tetsuo Yamagishi

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Suwa-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic data distribution apparatus and distribution method
- Patent number 6,662,080
- Issue date Dec 9, 2003
- Seiko Epson Corporation
- Yoichi Wakai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHODS FOR PUBLISHING AND DISTRIBUTING AN ELECTRONIC BOOK
- Publication number 20020138520
- Publication date Sep 26, 2002
- SEIKO EPSON CORPORATION
- Yoichi Wakai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electronic data distribution apparatus and distribution method
- Publication number 20020062220
- Publication date May 23, 2002
- SEIKO EPSON CORPORATION
- Yoichi Wakai
- G06 - COMPUTING CALCULATING COUNTING