Tsuneaki Furukawa

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Nagano-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multifunctional watch
- Patent number 7,170,826
- Issue date Jan 30, 2007
- Seiko Epson Corporation
- Tsuneaki Furukawa
- G04 - HOROLOGY
Information Patent Grant
Clocking device
- Patent number 6,567,345
- Issue date May 20, 2003
- Seiko Epson Corporation
- Tsuneaki Furukawa
- G04 - HOROLOGY
Information Patent Grant
Pulse motor driving device, pulse motor driving method, timepiece d...
- Patent number 6,476,579
- Issue date Nov 5, 2002
- Seiko Epson Corporation
- Hidehiro Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Water depth measuring device
- Patent number 5,737,246
- Issue date Apr 7, 1998
- Seiko Epson Corporation
- Tsuneaki Furukawa
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Ultrasonic step motor
- Patent number 5,610,468
- Issue date Mar 11, 1997
- Seiko Epson Corporation
- Osamu Miyazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ultrasonic step motor
- Patent number 5,343,108
- Issue date Aug 30, 1994
- Seiko Epson Corporation
- Osamu Miyazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ultrasonic motor and drive method
- Patent number 5,237,237
- Issue date Aug 17, 1993
- Seiko Epson Corporation
- Tomoo Ueda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Multifunctional watch
- Publication number 20070086276
- Publication date Apr 19, 2007
- SEIKO EPSON CORPORATION
- Tsuneaki Furukawa
- G04 - HOROLOGY
Information Patent Application
Multifunctional watch
- Publication number 20040264304
- Publication date Dec 30, 2004
- SEIKO EPSON CORPORATION
- Tsuneaki Furukawa
- G04 - HOROLOGY