Jun YAMAMOTO

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Nagahama-shi, Shiga-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber cable with feedthrough
- Patent number D971162
- Issue date Nov 29, 2022
- Kohoku Kogyo Co., Ltd.
- Hirokazu Fujitani
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Optical fiber module and method for manufacturing the same
- Patent number 11,067,755
- Issue date Jul 20, 2021
- KOHOKU KOGYO CO., LTD.
- Katsuhiro Iwasaki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER FEEDTHROUGH
- Publication number 20220283379
- Publication date Sep 8, 2022
- KOHOKU KOGYO CO., LTD.
- Hirokazu FUJITANI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER MODULE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20210018693
- Publication date Jan 21, 2021
- KOHOKU KOGYO CO., LTD.
- Katsuhiro IWASAKI
- G02 - OPTICS