Tatsuo Yamamoto

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light output device, relay and program for controlling the light ou...
- Patent number 7,307,541
- Issue date Dec 11, 2007
- Matsushita Electric Industrial Co., Ltd.
- Takumi Ikeda
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Communication System and Communication Method
- Publication number 20080070560
- Publication date Mar 20, 2008
- Matsushita Electric Industrial Co., Ltd.
- Yoshikazu Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable Language Learning Device and Portable Language Learning Sy...
- Publication number 20070243506
- Publication date Oct 18, 2007
- Matsushita Electric Industrial Co., Ltd.
- Daiji Ido
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Optical output device, relay device, and program controlling optica...
- Publication number 20050200452
- Publication date Sep 15, 2005
- Takumi Ikeda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Optical output device information processing terminal relay device...
- Publication number 20050163506
- Publication date Jul 28, 2005
- Takumi Ikeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Point-used electronic trading system, point-used electronic trading...
- Publication number 20040267652
- Publication date Dec 30, 2004
- Toshiki Kindo
- G06 - COMPUTING CALCULATING COUNTING