Keishirou YAMAMOTO

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Button device and timepiece
- Patent number 11,698,654
- Issue date Jul 11, 2023
- Casio Computer Co., Ltd.
- Keishirou Yamamoto
- G04 - HOROLOGY
Information Patent Grant
Hand device, electronic timepiece, hand driving method of electroni...
- Patent number 10,139,783
- Issue date Nov 27, 2018
- Casio Computer Co., Ltd.
- Koichi Matsuzawa
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
WRIST DEVICE
- Publication number 20220269222
- Publication date Aug 25, 2022
- CASIO COMPUTER CO., LTD.
- Keishirou YAMAMOTO
- G04 - HOROLOGY
Information Patent Application
BUTTON DEVICE AND TIMEPIECE
- Publication number 20210089072
- Publication date Mar 25, 2021
- CASIO COMPUTER CO., LTD.
- Keishirou YAMAMOTO
- G05 - CONTROLLING REGULATING
Information Patent Application
HAND DEVICE, ELECTRONIC TIMEPIECE, HAND DRIVING METHOD OF ELECTRONI...
- Publication number 20170261934
- Publication date Sep 14, 2017
- CASIO COMPUTER CO., LTD.
- Koichi MATSUZAWA
- G04 - HOROLOGY