Akihito OKUMURA

Person

Chiba-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Motor driving apparatus, motor driving method, and timepiece
- Patent number 11,424,702
- Issue date Aug 23, 2022
- Seiko Instruments Inc.
- Tetsuya Nobe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stepping motor control device, timepiece and method for controlling...
- Patent number 11,316,454
- Issue date Apr 26, 2022
- Seiko Instruments Inc.
- Akihito Okumura
- G04 - HOROLOGY
Information Patent Grant
Analog electronic timepiece, stepping motor control device, and ana...
- Patent number 11,175,631
- Issue date Nov 16, 2021
- Seiko Instruments Inc.
- Akihito Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Timepiece, electronic device, and control method of timepiece
- Patent number 10,539,927
- Issue date Jan 21, 2020
- Seiko Instruments Inc.
- Akihito Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
STEPPING MOTOR CONTROL DEVICE, MOVEMENT, TIMEPIECE, AND STEPPING MO...
- Publication number 20220291637
- Publication date Sep 15, 2022
- Seiko Watch Kabushiki Kaisha (trading as Seiko Watch Corporation)
- Kazuo Kato
- G04 - HOROLOGY
Information Patent Application
STEPPING MOTOR CONTROL DEVICE, MOVEMENT, TIMEPIECE, AND STEPPING MO...
- Publication number 20220181997
- Publication date Jun 9, 2022
- Seiko Watch Kabushiki Kaisha (trading as Seiko Watch Corporation)
- Akihito OKUMURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STEPPING MOTOR CONTROL DEVICE, TIMEPIECE AND METHOD FOR CONTROLLING...
- Publication number 20210091694
- Publication date Mar 25, 2021
- SEIKO INSTRUMENTS INC.
- Akihito OKUMURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR DRIVING APPARATUS, MOTOR DRIVING METHOD, AND TIMEPIECE
- Publication number 20200313583
- Publication date Oct 1, 2020
- SEIKO INSTRUMENTS INC.
- Tetsuya NOBE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ANALOG ELECTRONIC TIMEPIECE, STEPPING MOTOR CONTROL DEVICE, AND ANA...
- Publication number 20200225618
- Publication date Jul 16, 2020
- SEIKO INSTRUMENTS INC.
- Akihito OKUMURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STEPPING MOTOR CONTROL DEVICE, TIMEPIECE, AND CONTROL METHOD OF STE...
- Publication number 20190273456
- Publication date Sep 5, 2019
- SEIKO INSTRUMENTS INC.
- Akihito OKUMURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TIMEPIECE, ELECTRONIC DEVICE, AND CONTROL METHOD OF TIMEPIECE
- Publication number 20190086873
- Publication date Mar 21, 2019
- SEIKO INSTRUMENTS INC.
- Akihito OKUMURA
- G04 - HOROLOGY

Akihito OKUMURA

Person

Patents Grantslast 30 patents

Motor driving apparatus, motor driving method, and timepiece

Stepping motor control device, timepiece and method for controlling...

Analog electronic timepiece, stepping motor control device, and ana...

Timepiece, electronic device, and control method of timepiece

Patents Applicationslast 30 patents

STEPPING MOTOR CONTROL DEVICE, MOVEMENT, TIMEPIECE, AND STEPPING MO...

STEPPING MOTOR CONTROL DEVICE, MOVEMENT, TIMEPIECE, AND STEPPING MO...

STEPPING MOTOR CONTROL DEVICE, TIMEPIECE AND METHOD FOR CONTROLLING...

MOTOR DRIVING APPARATUS, MOTOR DRIVING METHOD, AND TIMEPIECE

ANALOG ELECTRONIC TIMEPIECE, STEPPING MOTOR CONTROL DEVICE, AND ANA...

STEPPING MOTOR CONTROL DEVICE, TIMEPIECE, AND CONTROL METHOD OF STE...

TIMEPIECE, ELECTRONIC DEVICE, AND CONTROL METHOD OF TIMEPIECE