Daisuke IRI

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Nishitokyo-shi, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drive circuit for two-coil step motor
- Patent number 11,086,273
- Issue date Aug 10, 2021
- Citizen Watch Co., Ltd.
- Yu Takyoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive circuit for two-coil step motor, two-coil step motor, and ele...
- Patent number 10,545,459
- Issue date Jan 28, 2020
- Citizen Watch Co., Ltd.
- Yu Takyoh
- G04 - HOROLOGY
Information Patent Grant
Electronic watch
- Patent number 10,331,084
- Issue date Jun 25, 2019
- Citizen Watch Co., Ltd.
- Daisuke Iri
- G04 - HOROLOGY
Information Patent Grant
Electronic watch
- Patent number 10,268,162
- Issue date Apr 23, 2019
- Citizen Watch Co., Ltd.
- Daisuke Iri
- G04 - HOROLOGY
Information Patent Grant
Drive circuit for two-coil step motor
- Patent number 10,197,972
- Issue date Feb 5, 2019
- Citizen Watch Co., Ltd.
- Toshiaki Fukushima
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 9,690,259
- Issue date Jun 27, 2017
- Citizen Watch Co., Ltd.
- Yu Takyo
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
DRIVE CIRCUIT FOR TWO-COIL STEP MOTOR
- Publication number 20200019124
- Publication date Jan 16, 2020
- CITIZEN WATCH CO., LTD.
- Yu TAKYOH
- G04 - HOROLOGY
Information Patent Application
DRIVE CIRCUIT FOR TWO-COIL STEP MOTOR, TWO-COIL STEP MOTOR, AND ELE...
- Publication number 20180246471
- Publication date Aug 30, 2018
- Citizen Watch Co., Ltd.
- Yu TAKYOH
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRIVE CIRCUIT FOR TWO-COIL STEP MOTOR
- Publication number 20170357216
- Publication date Dec 14, 2017
- Citizen Watch Co., Ltd.
- Toshiaki FUKUSHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRONIC WATCH
- Publication number 20170322518
- Publication date Nov 9, 2017
- CITIZEN HOLDINGS CO., LTD.
- Daisuke IRI
- G04 - HOROLOGY
Information Patent Application
ELECTRONIC WATCH
- Publication number 20170227932
- Publication date Aug 10, 2017
- Citizen Watch Co., Ltd.
- Daisuke IRI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRONIC TIMEPIECE
- Publication number 20160216695
- Publication date Jul 28, 2016
- CITIZEN HOLDINGS CO., LTD.
- Yu TAKYO
- G04 - HOROLOGY