Eiji Karaki

Person

Suwa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Quartz resonating piece, quartz resonator, and quartz device
- Patent number 6,849,991
- Issue date Feb 1, 2005
- Seiko Epson Corporation
- Guoqing Zhang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric resonator container, piezoelectric resonator using th...
- Patent number 6,590,314
- Issue date Jul 8, 2003
- Seiko Epson Corporation
- Hiroshi Arahari
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for sealing piezoelectric resonator via laser...
- Patent number 6,005,329
- Issue date Dec 21, 1999
- Seiko Epson Corporation
- Tatsuo Ikeda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for sealing piezoelectric resonator via laser...
- Patent number 5,736,710
- Issue date Apr 7, 1998
- Seiko Epson Corporation
- Tatsuo Ikeda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
At-cut crystal oscillating reed and method of etching the same
- Patent number 5,376,861
- Issue date Dec 27, 1994
- Seiko Epson Corporation
- Hideaki Nakamura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
At-cut crystal oscillating reed and method of etching the same
- Patent number 5,314,577
- Issue date May 24, 1994
- Seiko Epson Corporation
- Hideaki Nakamura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
At-cut crystal oscillating reed and method of etching the same
- Patent number 5,304,459
- Issue date Apr 19, 1994
- Seiko Epson Corporation
- Hideaki Nakamura
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Quartz resonating piece, quartz resonator, and quartz device
- Publication number 20030218512
- Publication date Nov 27, 2003
- SEIKO EPSON CORPORATION
- Guoqing Zhang
- H03 - BASIC ELECTRONIC CIRCUITRY

Eiji Karaki

Person

Patents Grantslast 30 patents

Quartz resonating piece, quartz resonator, and quartz device

Piezoelectric resonator container, piezoelectric resonator using th...

Method and apparatus for sealing piezoelectric resonator via laser...

Method and apparatus for sealing piezoelectric resonator via laser...

At-cut crystal oscillating reed and method of etching the same

At-cut crystal oscillating reed and method of etching the same

At-cut crystal oscillating reed and method of etching the same

Patents Applicationslast 30 patents

Quartz resonating piece, quartz resonator, and quartz device