Tadashi Yasuoka

Follow

Person

Koto-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Radio-controlled watch
- Patent number 8,792,308
- Issue date Jul 29, 2014
- Citizen Holdings Co., Ltd.
- Akira Kato
- G05 - CONTROLLING REGULATING
Information Patent Grant
Radio-controlled timepiece and method of assembling the same
- Patent number 8,345,514
- Issue date Jan 1, 2013
- Citizen Holdings Co., Ltd.
- Tatsuo Sumida
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electronic device having metal outer case and antenna therein
- Patent number 7,813,712
- Issue date Oct 12, 2010
- Citizen Holdings Co., Ltd.
- Tadashi Yasuoka
- G04 - HOROLOGY
Information Patent Grant
Wristwatch-type communication device and antenna therefor
- Patent number 6,278,873
- Issue date Aug 21, 2001
- Citizen Watch Co., Ltd.
- Hitoshi Itakura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Watch with radio-signal correction function
- Patent number 5,898,643
- Issue date Apr 27, 1999
- Citizen Watch Co., Ltd.
- Tadashi Yasuoka
- G04 - HOROLOGY
Information Patent Grant
Antenna device integrally fixed to portable electronic appliance
- Patent number 5,696,518
- Issue date Dec 9, 1997
- Citizen Watch Co., Ltd.
- Yukio Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable transmitter/receiver apparatus with coded data transmissio...
- Patent number 5,175,868
- Issue date Dec 29, 1992
- Citizen Watch Co., Ltd.
- Tadashi Yasuoka
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
RADIO-CONTROLLED WATCH
- Publication number 20130003506
- Publication date Jan 3, 2013
- CITIZEN WATCH CO., LTD
- Akira Kato
- G04 - HOROLOGY
Information Patent Application
RADIO-CONTROLLED TIMEPIECE AND METHOD OF ASSEMBLING THE SAME
- Publication number 20100097895
- Publication date Apr 22, 2010
- Tatsuo Sumida
- G04 - HOROLOGY
Information Patent Application
Electronic Device
- Publication number 20080293373
- Publication date Nov 27, 2008
- Tadashi Yasuoka
- G04 - HOROLOGY