Ishihara Sangyo Co., Ltd.

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Ueda-shi, Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber cable and method for manufacturing the same
- Patent number 11,163,117
- Issue date Nov 2, 2021
- ISHIHARA SANGYO CO., LTD.
- Hidetoku Iida
- G02 - OPTICS
Information Patent Grant
Tapered optical fiber, manufacturing method thereof and manufacturi...
- Patent number 9,383,514
- Issue date Jul 5, 2016
- Ishihara Sangyo Co., Ltd.
- Hidetoku Iida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER CABLE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20200355870
- Publication date Nov 12, 2020
- ISHIHARA SANGYO CO., LTD.
- Hidetoku IIDA
- G02 - OPTICS
Information Patent Application
OPTICAL COUPLER AND METHOD OF BRANCHING LIGHT USING THE OPTICAL COU...
- Publication number 20160299293
- Publication date Oct 13, 2016
- Ishihara Sangyo Co., Ltd.
- Hidetoku IIDA
- G02 - OPTICS

Trademarklast 30 trademarks