Takuma KAWAUCHIYA

Person

Chiba-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Timepiece
- Patent number 10,067,475
- Issue date Sep 4, 2018
- Seiko Instruments Inc.
- Takashi Niwa
- G04 - HOROLOGY
Information Patent Grant
Operation stabilizing mechanism, movement, and mechanical timepiece
- Patent number 9,568,887
- Issue date Feb 14, 2017
- Seiko Instruments Inc.
- Takuma Kawauchiya
- G04 - HOROLOGY
Information Patent Grant
Temperature compensation-type balance, timepiece movement, mechanic...
- Patent number 9,235,193
- Issue date Jan 12, 2016
- Seiko Instruments Inc.
- Takashi Niwa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Balance, timepiece movement, timepiece and manufacturing method of...
- Patent number 9,188,956
- Issue date Nov 17, 2015
- Seiko Instruments Inc.
- Masahiro Nakajima
- G04 - HOROLOGY
Information Patent Grant
Operation stabilization mechanism, movement, and mechanical timepiece
- Patent number 9,164,486
- Issue date Oct 20, 2015
- Seiko Instruments Inc.
- Takuma Kawauchiya
- G04 - HOROLOGY
Information Patent Grant
Balance with hairspring, movement, and timepiece
- Patent number 9,128,465
- Issue date Sep 8, 2015
- Seiko Instruments Inc.
- Takuma Kawauchiya
- G04 - HOROLOGY
Information Patent Grant
Constant force device, movement and mechanical timepiece
- Patent number 9,052,693
- Issue date Jun 9, 2015
- Seiko Instruments Inc.
- Takuma Kawauchiya
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
TIMEPIECE
- Publication number 20170212475
- Publication date Jul 27, 2017
- SEIKO INSTRUMENTS INC.
- Takashi NIWA
- G04 - HOROLOGY
Information Patent Application
OPERATION STABILIZING MECHANISM, MOVEMENT, AND MECHANICAL TIMEPIECE
- Publication number 20160266547
- Publication date Sep 15, 2016
- SEIKO INSTRUMENTS INC.
- Takuma KAWAUCHIYA
- G04 - HOROLOGY
Information Patent Application
BALANCE WITH HAIRSPRING, MOVEMENT, AND TIMEPIECE
- Publication number 20150185700
- Publication date Jul 2, 2015
- SEIKO INSTRUMENTS INC.
- Takuma KAWAUCHIYA
- G04 - HOROLOGY
Information Patent Application
CONSTANT FORCE DEVICE, MOVEMENT AND MECHANICAL TIMEPIECE
- Publication number 20150063084
- Publication date Mar 5, 2015
- SEIKO INSTRUMENTS INC.
- Takuma KAWAUCHIYA
- G04 - HOROLOGY
Information Patent Application
OPERATION STABILIZATION MECHANISM, MOVEMENT, AND MECHANICAL TIMEPIECE
- Publication number 20150063083
- Publication date Mar 5, 2015
- SEIKO INSTRUMENTS INC.
- Takuma KAWAUCHIYA
- G04 - HOROLOGY
Information Patent Application
TEMPERATURE COMPENSATION-TYPE BALANCE, TIMEPIECE MOVEMENT, MECHANIC...
- Publication number 20140241134
- Publication date Aug 28, 2014
- Seiko Instruments Inc.
- Takashi NIWA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
BALANCE, TIMEPIECE MOVEMENT, TIMEPIECE AND MANUFACTURING METHOD OF...
- Publication number 20140185418
- Publication date Jul 3, 2014
- Seiko Instruments Inc.
- Masahiro NAKAJIMA
- G04 - HOROLOGY

Takuma KAWAUCHIYA

Person

Patents Grantslast 30 patents

Timepiece

Operation stabilizing mechanism, movement, and mechanical timepiece

Temperature compensation-type balance, timepiece movement, mechanic...

Balance, timepiece movement, timepiece and manufacturing method of...

Operation stabilization mechanism, movement, and mechanical timepiece

Balance with hairspring, movement, and timepiece

Constant force device, movement and mechanical timepiece

Patents Applicationslast 30 patents

TIMEPIECE

OPERATION STABILIZING MECHANISM, MOVEMENT, AND MECHANICAL TIMEPIECE

BALANCE WITH HAIRSPRING, MOVEMENT, AND TIMEPIECE

CONSTANT FORCE DEVICE, MOVEMENT AND MECHANICAL TIMEPIECE

OPERATION STABILIZATION MECHANISM, MOVEMENT, AND MECHANICAL TIMEPIECE

TEMPERATURE COMPENSATION-TYPE BALANCE, TIMEPIECE MOVEMENT, MECHANIC...

BALANCE, TIMEPIECE MOVEMENT, TIMEPIECE AND MANUFACTURING METHOD OF...