Tsuyoshi Matsui

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Matsumoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic apparatus
- Patent number 9,411,319
- Issue date Aug 9, 2016
- Seiko Epson Corporation
- Tsuyoshi Matsui
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device and electronic device using the same
- Patent number 6,532,048
- Issue date Mar 11, 2003
- Seiko Epson Corporation
- Tsuyoshi Matsui
- G02 - OPTICS
Information Patent Grant
Display device and electronic watch
- Patent number 6,519,209
- Issue date Feb 11, 2003
- Seiko Epson Corporation
- Yasuo Arikawa
- G02 - OPTICS
Information Patent Grant
Display device and electronic timepiece
- Patent number 6,385,139
- Issue date May 7, 2002
- Seiko Epson Corporation
- Yasuo Arikawa
- G02 - OPTICS
Information Patent Grant
Electronic watch
- Patent number 6,252,829
- Issue date Jun 26, 2001
- Seiko Epson Corporation
- Eiichi Miyazawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC APPARATUS
- Publication number 20160231709
- Publication date Aug 11, 2016
- SEIKO EPSON CORPORATION
- Tsuyoshi MATSUI
- G04 - HOROLOGY
Information Patent Application
ELECTRONIC WATCH
- Publication number 20150206332
- Publication date Jul 23, 2015
- SEIKO EPSON CORPORATION
- Tsuyoshi MATSUI
- G06 - COMPUTING CALCULATING COUNTING