Yukari Nakajima

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Okaya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric oscillator, manufacturing method thereof, and electro...
- Patent number 7,408,291
- Issue date Aug 5, 2008
- Seiko Epson Corporation
- Yugo Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric oscillator, manufacturing method thereof, and electro...
- Patent number 7,123,107
- Issue date Oct 17, 2006
- Seiko Epson Corporation
- Yugo Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric oscillator, portable telephone unit using piezoelectr...
- Patent number 7,057,331
- Issue date Jun 6, 2006
- Seiko Epson Corporation
- Kazuhiko Shimodaira
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage-controlled oscillator having a semiconductor integrated cir...
- Patent number 5,745,012
- Issue date Apr 28, 1998
- Seiko Epson Corporation
- Manabu Oka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric oscillator, voltage-controlled oscillator and product...
- Patent number 5,631,609
- Issue date May 20, 1997
- Seiko Epson Corporation
- Manabu Oka
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Piezoelectric oscillator, manufacturing method thereof, and electro...
- Publication number 20060238080
- Publication date Oct 26, 2006
- SEIKO EPSON CORPORATION
- Yugo Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Piezoelectric oscillator, portable telephone unit using piezoelectr...
- Publication number 20040245895
- Publication date Dec 9, 2004
- SEIKO EPSON CORPORATION
- Kazuhiko Shimodaira
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Piezoelectric oscillator manufacturing method thereof, and electron...
- Publication number 20040135645
- Publication date Jul 15, 2004
- SEIKO EPSON CORPORATION
- Yugo Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY