Hiromi OHTSUKA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Keyswitch device and keyboard
- Patent number 11,862,415
- Issue date Jan 2, 2024
- Fujitsu Component Limited
- Hiromi Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyswitch device and keyboard
- Patent number 10,763,054
- Issue date Sep 1, 2020
- Fujitsu Component Limited
- Hiromi Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic device, power feeding device and electronic device system
- Patent number 10,135,273
- Issue date Nov 20, 2018
- Fujitsu Component Limited
- Masafumi Chiba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Keyboard
- Patent number 9,318,282
- Issue date Apr 19, 2016
- Fujitsu Component Limited
- Takashi Nakajima
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
KEYSWITCH DEVICE AND KEYBOARD
- Publication number 20200357581
- Publication date Nov 12, 2020
- FUJITSU COMPONENT LIMITED
- Hiromi OHTSUKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC DEVICE, POWER FEEDING DEVICE AND ELECTRONIC DEVICE SYSTEM
- Publication number 20160268826
- Publication date Sep 15, 2016
- FUJITSU COMPONENT LIMITED
- Masafumi CHIBA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
KEYSWITCH DEVICE AND KEYBOARD
- Publication number 20140339065
- Publication date Nov 20, 2014
- FUJITSU COMPONENT LIMITED
- Hiromi OHTSUKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
KEYBOARD
- Publication number 20140102868
- Publication date Apr 17, 2014
- FUJITSU COMPONENT LIMITED
- Takashi NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS