Tetsuhiko Takeuchi

Follow

Person

Shimosuwa-cho, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Touch panel and electronic device
- Patent number 7,034,808
- Issue date Apr 25, 2006
- Seiko Epson Corporation
- Hidefumi Sakata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Illumination device and manufacturing method therefor, display devi...
- Patent number 6,644,832
- Issue date Nov 11, 2003
- Seiko Epson Corporation
- Shohei Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid-crystal display device
- Patent number 6,201,584
- Issue date Mar 13, 2001
- Seiko Epson Corporation
- Tomio Sonehara
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Illumination device and manufacturing method therefor, display devi...
- Publication number 20020122144
- Publication date Sep 5, 2002
- SEIKO EPSON CORPORATION
- Shohei Yoshida
- G02 - OPTICS
Information Patent Application
Touch panel and electronic device
- Publication number 20020101410
- Publication date Aug 1, 2002
- SEIKO EPSON CORPORATION
- Hidefumi Sakata
- G06 - COMPUTING CALCULATING COUNTING