Toshiaki Yanagisawa

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Suwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic timepiece
- Patent number 11,417,946
- Issue date Aug 16, 2022
- Seiko Epson Corporation
- Toshiaki Yanagisawa
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece with internal antenna
- Patent number 9,483,031
- Issue date Nov 1, 2016
- Seiko Epson Corporation
- Toshiaki Yanagisawa
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece with built-in antenna
- Patent number 9,128,470
- Issue date Sep 8, 2015
- Seiko Epson Corporation
- Toshiaki Yanagisawa
- G04 - HOROLOGY
Information Patent Grant
Method of manufacturing magnetic head
- Patent number 7,536,779
- Issue date May 26, 2009
- Seiko Epson Corporation
- Tatsuo Hara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic timepiece with stable IC mounting
- Patent number 6,940,786
- Issue date Sep 6, 2005
- Seiko Epson Corporation
- Toshiaki Yanagisawa
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC TIMEPIECE
- Publication number 20190280371
- Publication date Sep 12, 2019
- SEIKO EPSON CORPORATION
- Toshiaki YANAGISAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC TIMEPIECE WITH BUILT-IN ANTENNA
- Publication number 20150016229
- Publication date Jan 15, 2015
- SEIKO EPSON CORPORATION
- Toshiaki Yanagisawa
- G04 - HOROLOGY
Information Patent Application
ELECTRONIC TIMEPIECE WITH INTERNAL ANTENNA
- Publication number 20140086027
- Publication date Mar 27, 2014
- SEIKO EPSON CORPORATION
- Toshiaki Yanagisawa
- G04 - HOROLOGY
Information Patent Application
METHOD OF MANUFACTURING MAGNETIC CORE, MAGNETIC CORE, ELECTROMAGNET...
- Publication number 20080022511
- Publication date Jan 31, 2008
- SEIKO EPSON CORPORATION
- Tatsuo Hara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of manufacturing magnetic core, magnetic core, electromagnet...
- Publication number 20050152063
- Publication date Jul 14, 2005
- Seiko Epson Corporation
- Tatsuo Hara
- H01 - BASIC ELECTRIC ELEMENTS