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Akiyoshi Murakami
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Saitama-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic watch
Patent number
RE41686
Issue date
Sep 14, 2010
Citizen Holdings Co., Ltd.
Kenji Fujita
368 - Horology: time measuring systems or devices
Information
Patent Grant
Electronic clock
Patent number
7,715,280
Issue date
May 11, 2010
Citizen Holdings Co., Ltd.
Akiyoshi Murakami
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Analog electronic timepiece that prevents deviation of displayed ti...
Patent number
7,701,807
Issue date
Apr 20, 2010
Citizen Holdings Co., Ltd.
Isao Kitazawa
G04 - HOROLOGY
Information
Patent Grant
Electronic timepiece
Patent number
7,113,452
Issue date
Sep 26, 2006
Citizen Watch Co., Ltd.
Kenji Fujita
G04 - HOROLOGY
Information
Patent Grant
Electronic clock
Patent number
7,009,914
Issue date
Mar 7, 2006
Citizen Watch Co., Ltd.
Haruhiko Higuchi
G04 - HOROLOGY
Information
Patent Grant
Method for transferring transparent conductive film
Patent number
6,830,864
Issue date
Dec 14, 2004
Kyodo Printing Co., Ltd.
Ichiro Bekku
G02 - OPTICS
Information
Patent Grant
Electronic watch transmitting/receiving system
Patent number
6,542,438
Issue date
Apr 1, 2003
Citizen Watch Co., Ltd.
Haruhiko Higuchi
G04 - HOROLOGY
Information
Patent Grant
Electronic watch and drive method therefor
Patent number
6,483,781
Issue date
Nov 19, 2002
Citizen Watch Co., Ltd.
Kiyotaka Igarashi
G04 - HOROLOGY
Information
Patent Grant
Method for transferring transparent conductive film
Patent number
6,413,693
Issue date
Jul 2, 2002
Kyodo Printing Co., Ltd.
Ichiro Bekku
G02 - OPTICS
Information
Patent Grant
Electronic watch
Patent number
5,959,941
Issue date
Sep 28, 1999
Citizen Watch Co., Ltd.
Akiyoshi Murakami
G04 - HOROLOGY
Information
Patent Grant
Electronic watch
Patent number
5,889,736
Issue date
Mar 30, 1999
Citizen Watch Co., Ltd.
Kenji Fujita
G04 - HOROLOGY
Information
Patent Grant
Information display apparatus
Patent number
5,881,025
Issue date
Mar 9, 1999
Citizen Watch Co., Ltd.
Akiyoshi Murakami
G04 - HOROLOGY
Information
Patent Grant
Color filter
Patent number
5,176,971
Issue date
Jan 5, 1993
Kyodo Printing Co., Ltd.
Masayoshi Shimamura
G02 - OPTICS
Information
Patent Grant
Color filter and method of producing the same
Patent number
4,837,098
Issue date
Jun 6, 1989
Kyodo Printing Co., Ltd.
Masayoshi Shimamura
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Analog electronic clock
Publication number
20070115760
Publication date
May 24, 2007
Isao Kitazawa
G04 - HOROLOGY
Information
Patent Application
Electronic clock
Publication number
20060120221
Publication date
Jun 8, 2006
Akiyoshi Murakami
G04 - HOROLOGY
Information
Patent Application
Electronic clock
Publication number
20050249047
Publication date
Nov 10, 2005
Haruhiko Higuchi
G04 - HOROLOGY
Information
Patent Application
Electronic timepiece
Publication number
20020154575
Publication date
Oct 24, 2002
Kenji Fujita
G04 - HOROLOGY
Information
Patent Application
Method for transferring transparent conductive film
Publication number
20020055057
Publication date
May 9, 2002
Ichiro Bekku
G02 - OPTICS
Information
Patent Application
Electronic watch transmitting/receiving system.
Publication number
20010043511
Publication date
Nov 22, 2001
HARUHIKO HIGUCHI
G04 - HOROLOGY
Information
Patent Application
Electronic watch and drive method therefor
Publication number
20010043512
Publication date
Nov 22, 2001
CITIZEN WATCH CO., LTD.
Kiyotaka Igarashi
G04 - HOROLOGY