Kaoru TORII

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical branching/coupling device and optical transmission/receptio...
- Patent number 10,473,856
- Issue date Nov 12, 2019
- Adamant Namiki Precision Jewel Co., Ltd.
- Hiroyuki Fujiwara
- G02 - OPTICS
Information Patent Grant
Optical fiber assembly, optical coupling device, and optical fiber...
- Patent number 9,841,570
- Issue date Dec 12, 2017
- ADAMANT CO., LTD.
- Hiroyuki Fujiwara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL BRANCHING/COUPLING DEVICE, MANUFACTURING METHOD FOR SAID OP...
- Publication number 20200209474
- Publication date Jul 2, 2020
- Adamant Namiki Precision Jewel Co., Ltd.
- Hiroyuki FUJIWARA
- G02 - OPTICS
Information Patent Application
OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL TRANSMISSION/RECEPTIO...
- Publication number 20190079244
- Publication date Mar 14, 2019
- Adamant Namiki Precision Jewel Co., Ltd.
- Hiroyuki FUJIWARA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER ASSEMBLY, OPTICAL COUPLING DEVICE, AND OPTICAL FIBER...
- Publication number 20170031111
- Publication date Feb 2, 2017
- ADAMANT CO., LTD.
- Hiroyuki FUJIWARA
- G02 - OPTICS