Tsuyoshi AKAMATSU

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Sakura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bobbin for winding optical fiber
- Patent number 12,111,509
- Issue date Oct 8, 2024
- Fujikura Ltd.
- Tsuyoshi Akamatsu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Optical fiber winding bobbin, optical fiber winding method, and bob...
- Patent number 10,662,022
- Issue date May 26, 2020
- Fujikura Ltd.
- Tsuyoshi Akamatsu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Optical fiber terminal fixing tool for winding optical fiber and op...
- Patent number 9,810,870
- Issue date Nov 7, 2017
- Fujikura Ltd.
- Tsuyoshi Akamatsu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
BOBBIN FOR WINDING OPTICAL FIBER
- Publication number 20230021882
- Publication date Jan 26, 2023
- FUJIKURA LTD.
- Tsuyoshi Akamatsu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
OPTICAL FIBER WINDING BOBBIN, OPTICAL FIBER WINDING METHOD, AND BOB...
- Publication number 20190016556
- Publication date Jan 17, 2019
- FUJIKURA LTD.
- Tsuyoshi Akamatsu
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER TERMINAL FIXING TOOL FOR WINDING OPTICAL FIBER AND OP...
- Publication number 20150008275
- Publication date Jan 8, 2015
- FUJIKURA LTD.
- Tsuyoshi AKAMATSU
- G02 - OPTICS