Keisuke Kasai

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Sendai-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser device
- Patent number 10,333,280
- Issue date Jun 25, 2019
- Nippon Telegraph and Telephone Corporation
- Hiroyuki Ishii
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20180269659
- Publication date Sep 20, 2018
- Nippon Telegraph and Telephone Corporation
- Hiroyuki Ishii
- H01 - BASIC ELECTRIC ELEMENTS