Noriyuki WATANABE

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Hiratenka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a piezoelectric vibrator
- Patent number 8,732,924
- Issue date May 27, 2014
- Seiko Epson Corporation
- Tsuyoshi Ohshima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of manufacturing a piezoelectric vibrator
- Patent number 8,281,467
- Issue date Oct 9, 2012
- Seiko Epson Corporation
- Tsuyoshi Ohshima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of stabilizing a frequency of a piezoelectric vibration element
- Patent number 8,166,621
- Issue date May 1, 2012
- Seiko Epson Corporation
- Tsuyoshi Ohshima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric vibration element, piezoelectric vibrator, piezoelect...
- Patent number 7,427,823
- Issue date Sep 23, 2008
- Epson Toyocom Corporation
- Tsuyoshi Ohshima
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING A PIEZOELECTRIC VIBRATOR
- Publication number 20130014361
- Publication date Jan 17, 2013
- SEIKO EPSON CORPORATION
- Tsuyoshi OHSHIMA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Method of stabilizing a frequency of a piezoelectric vibration element
- Publication number 20080284280
- Publication date Nov 20, 2008
- Epson Toyocom Corporation
- Tsuyoshi Ohshima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Piezoelectric vibration element, piezoelectric vibrator, piezoelect...
- Publication number 20060170305
- Publication date Aug 3, 2006
- Epson Toyocom Corporation
- Tsuyoshi Ohshima
- H03 - BASIC ELECTRONIC CIRCUITRY