Masaaki Namekawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic clock
- Patent number 9,612,579
- Issue date Apr 4, 2017
- Citizen Watch Co., Ltd.
- Yu Takyo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic watch
- Patent number 8,848,492
- Issue date Sep 30, 2014
- Citizen Holdings Co., Ltd.
- Masaaki Namekawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic apparatus
- Patent number 8,692,518
- Issue date Apr 8, 2014
- Citizen Holdings Co., Ltd.
- Takayuki Uchida
- G01 - MEASURING TESTING
Information Patent Grant
Analog electronic watch
- Patent number 7,961,557
- Issue date Jun 14, 2011
- Citizen Holdings Co., Ltd.
- Teruhiko Fujii
- G04 - HOROLOGY
Information Patent Grant
Radio corrected clock
- Patent number 7,408,845
- Issue date Aug 5, 2008
- Citizen Holdings Co., Ltd.
- Takashi Ihara
- G04 - HOROLOGY
Information Patent Grant
Radio-controlled timepiece, electronic device, time correcting meth...
- Patent number 7,385,876
- Issue date Jun 10, 2008
- Citizen Holdings Co., Ltd.
- Takashi Ihara
- G04 - HOROLOGY
Information Patent Grant
Radio controlled timepiece and method of controlling the same
- Patent number 7,372,779
- Issue date May 13, 2008
- Citizen Holdings Co., Ltd.
- Akinari Takada
- G04 - HOROLOGY
Information Patent Grant
Radio-controlled timepiece, standard frequency reception method, an...
- Patent number 7,190,745
- Issue date Mar 13, 2007
- Citizen Watch Co., Ltd.
- Akinari Takada
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC CLOCK
- Publication number 20150160619
- Publication date Jun 11, 2015
- CITIZEN HOLDINGS CO., LTD.
- Yu Takyo
- G04 - HOROLOGY
Information Patent Application
ELECTRONIC WATCH
- Publication number 20120307602
- Publication date Dec 6, 2012
- CITIZEN WATCH CO., LTD
- Masaaki Namekawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRONIC APPARATUS
- Publication number 20100072974
- Publication date Mar 25, 2010
- Takayuki Uchida
- G04 - HOROLOGY
Information Patent Application
Analog Electronic Watch
- Publication number 20090016172
- Publication date Jan 15, 2009
- Teruhiko Fujii
- G04 - HOROLOGY
Information Patent Application
Radio-controlled timepiece, electronic device, time correcting meth...
- Publication number 20050185514
- Publication date Aug 25, 2005
- CITIZEN WATCH CO., LTD.
- Takashi Ihara
- G04 - HOROLOGY
Information Patent Application
Radio controlled timepiece and method of controlling the same
- Publication number 20050094495
- Publication date May 5, 2005
- Akinari Takada
- G04 - HOROLOGY
Information Patent Application
Radio corrected clock
- Publication number 20040202051
- Publication date Oct 14, 2004
- Takashi Ihara
- G04 - HOROLOGY
Information Patent Application
Radio-controlled timepiece, standard frequency reception method, an...
- Publication number 20030117901
- Publication date Jun 26, 2003
- CITIZEN WATCH CO., LTD.
- Akinari Takada
- G04 - HOROLOGY

Masaaki Namekawa

Person

Patents Grantslast 30 patents

Electronic clock

Electronic watch

Electronic apparatus

Analog electronic watch

Radio corrected clock

Radio-controlled timepiece, electronic device, time correcting meth...

Radio controlled timepiece and method of controlling the same

Radio-controlled timepiece, standard frequency reception method, an...

Patents Applicationslast 30 patents

ELECTRONIC CLOCK

ELECTRONIC WATCH

ELECTRONIC APPARATUS

Analog Electronic Watch

Radio-controlled timepiece, electronic device, time correcting meth...

Radio controlled timepiece and method of controlling the same

Radio corrected clock

Radio-controlled timepiece, standard frequency reception method, an...