Yuki Tsuchiya

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Patents Grantslast 30 patents

Information Patent Grant
Electret condenser microphone and method of producing the same
- Patent number 7,698,793
- Issue date Apr 20, 2010
- Citizen Electronics Co., Ltd.
- Yuki Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRET CONDENSER MICROPHONE
- Publication number 20080310657
- Publication date Dec 18, 2008
- CITIZEN ELECTRONICS CO., LTD.
- Yuki Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electret condenser microphone and method of producing the same
- Publication number 20070258605
- Publication date Nov 8, 2007
- CITIZEN ELECTRONICS CO., LTD.
- Yuki Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Condenser microphone and method of producing the same
- Publication number 20070189556
- Publication date Aug 16, 2007
- CITIZEN ELECTRONICS CO., LTD.
- Yuki Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of producing heat-resistant electrically charged fluororesin...
- Publication number 20070023690
- Publication date Feb 1, 2007
- Yuki Tsuchiya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method of producing heat-resistant electrically charged resin mater...
- Publication number 20060218785
- Publication date Oct 5, 2006
- Megumi Horiuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE