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Eisaku Shimizu
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Okaya-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Radio-controlled timepiece and method of changing the waveform disc...
Patent number
7,710,833
Issue date
May 4, 2010
Seiko Epson Corporation
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Radio-controlled timepiece and control method for the same
Patent number
7,075,859
Issue date
Jul 11, 2006
Seiko Epson Corporation
Fumiaki Miyahara
G04 - HOROLOGY
Information
Patent Grant
Radio-controlled timepiece and control method for a radio-controlle...
Patent number
6,967,901
Issue date
Nov 22, 2005
Seiko Epson Corporation
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Electronically controlled timepiece, and power supply control metho...
Patent number
6,956,794
Issue date
Oct 18, 2005
Seiko Epson Corporation
Hidenori Nakamura
G04 - HOROLOGY
Information
Patent Grant
Electronic apparatus, electronically controlled mechanical timepiec...
Patent number
6,829,199
Issue date
Dec 7, 2004
Seiko Epson Corporation
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Braking without stopping generator for timepiece and other electron...
Patent number
6,819,633
Issue date
Nov 16, 2004
Seiko Epson Corporation
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Electronic device, electronically controlled mechanical timepiece,...
Patent number
6,795,378
Issue date
Sep 21, 2004
Seiko Epson Corporation
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Electronically controlled timepiece, and power supply control metho...
Patent number
6,757,220
Issue date
Jun 29, 2004
Seiko Epson Corporation
Hidenori Nakamura
G04 - HOROLOGY
Information
Patent Grant
Electronic device, electronically-controlled mechanical timepiece,...
Patent number
6,693,852
Issue date
Feb 17, 2004
Seiko Epson Corporation
Kunio Koike
G04 - HOROLOGY
Information
Patent Grant
Pointer electronic timepiece, operating method and control program...
Patent number
6,639,874
Issue date
Oct 28, 2003
Seiko Epson Corporation
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Electronically controlled mechanical watch and method of preventing...
Patent number
6,584,043
Issue date
Jun 24, 2003
Seiko Epson Corporation
Kunio Koike
G04 - HOROLOGY
Information
Patent Grant
Electronic device with variable chopping signal and duty ratio sele...
Patent number
6,483,276
Issue date
Nov 19, 2002
Seiko Epson Corporation
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Electronic device, electronic timepiece and power control method
Patent number
6,466,519
Issue date
Oct 15, 2002
Seiko Epson Corporation
Hidenori Nakamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electrically controlled mechanical timepiece and control method the...
Patent number
6,414,909
Issue date
Jul 2, 2002
Seiko Epson Corporation
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Electronically controlled mechanical timepiece and method controlli...
Patent number
6,373,789
Issue date
Apr 16, 2002
Seiko Epson Corporation
Kunio Koike
G04 - HOROLOGY
Information
Patent Grant
Electronically controlled, mechanical timepiece and control method...
Patent number
6,314,059
Issue date
Nov 6, 2001
Seiko Epson Corporation
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Selective call receiver for receiving at least two kinds of transmi...
Patent number
5,714,944
Issue date
Feb 3, 1998
Seiko Epson Corporation
Eisaku Shimizu
G08 - SIGNALLING
Information
Patent Grant
Timekeeping device
Patent number
4,376,995
Issue date
Mar 15, 1983
Kabushiki Kaisha Suwa Seikosha
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Grant
Electronic timepiece calendar circuit
Patent number
4,117,657
Issue date
Oct 3, 1978
Kabushiki Kaisha Suwa Seikosha
Eisaku Shimizu
G04 - HOROLOGY
Patents Applications
last 30 patents
Information
Patent Application
Radio-controlled timepiece and method of changing the waveform disc...
Publication number
20080049558
Publication date
Feb 28, 2008
SEIKO EPSON CORPORATION
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Application
Electronic apparatus, method for detecting positions of time displa...
Publication number
20060114750
Publication date
Jun 1, 2006
SEIKO EPSON CORPORATION
Kenji Iida
G04 - HOROLOGY
Information
Patent Application
Radio-controlled timepiece and control method for the same
Publication number
20040228219
Publication date
Nov 18, 2004
Fumiaki Miyahara
G04 - HOROLOGY
Information
Patent Application
Electronic apparatus, electronically controlled mechanical timepiec...
Publication number
20040013047
Publication date
Jan 22, 2004
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Application
Radio-controlled timepiece and control method for a radio-controlle...
Publication number
20030198140
Publication date
Oct 23, 2003
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Application
Electronically controlled timepiece, and power supply control metho...
Publication number
20030128631
Publication date
Jul 10, 2003
Hidenori Nakamura
G04 - HOROLOGY
Information
Patent Application
Electronic device, electronically-controlled mechanical timepiece,...
Publication number
20020141528
Publication date
Oct 3, 2002
Kunio Koike
G04 - HOROLOGY
Information
Patent Application
Braking without stopping generator for timepiece and other electron...
Publication number
20020117918
Publication date
Aug 29, 2002
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Application
Pointer electronic timepiece, operating method and control program...
Publication number
20020006080
Publication date
Jan 17, 2002
Eisaku Shimizu
G04 - HOROLOGY
Information
Patent Application
ELECTRONICALLY CONTROLLED MECHANICAL TIMEPIECE AND METHOD CONTROLLI...
Publication number
20010046188
Publication date
Nov 29, 2001
KUNIO KOIKE
G04 - HOROLOGY
Information
Patent Application
Electronic device, electronically controlled mechanical timepiece,...
Publication number
20010030909
Publication date
Oct 18, 2001
Eisaku Shimizu
G04 - HOROLOGY