Hisashi Sumikura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing optical device
- Patent number 11,300,729
- Issue date Apr 12, 2022
- Nippon Telegraph and Telephone Corporation
- Eiichi Kuramochi
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
NANOWIRES, NANOWIRE OPTICAL DEVICE AND NANOWIRE LIGHT EMITTING DEVICE
- Publication number 20250038484
- Publication date Jan 30, 2025
- Nippon Telegraph and Telephone Corporation
- Masato Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NANOWIRE LASER AND MANUFACTURING METHOD THEREFOR
- Publication number 20240405513
- Publication date Dec 5, 2024
- Nippon Telegraph and Telephone Corporation
- Masato Takiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for Manufacturing Optical Device
- Publication number 20210215877
- Publication date Jul 15, 2021
- Nippon Telegraph and Telephone Corporation
- Eiichi Kuramochi
- H01 - BASIC ELECTRIC ELEMENTS