Hiroshi KOHDA

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Osaka-shi, Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing optical fiber with laser stripping step, and o...
- Patent number 12,085,754
- Issue date Sep 10, 2024
- Sumitomo Electric Industries, Ltd.
- Hiroshi Kohda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for manufacturing optical fiber and optical fiber
- Patent number 11,454,760
- Issue date Sep 27, 2022
- Sumitomo Electric Industries, Ltd.
- Suguru Takasaki
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER MANUFACTURING METHOD AND MANUFACTURING APPARATUS
- Publication number 20230406751
- Publication date Dec 21, 2023
- Sumitomo Electric Industries, Ltd.
- Hiroshi KOHDA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING OPTICAL FIBER, AND OPTICAL FIBER
- Publication number 20210096299
- Publication date Apr 1, 2021
- Sumitomo Electric Industries, Ltd.
- Hiroshi KOHDA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL FIBER AND OPTICAL FIBER
- Publication number 20210041630
- Publication date Feb 11, 2021
- Sumitomo Electric Industries, Ltd.
- Suguru TAKASAKI
- C03 - GLASS MINERAL OR SLAG WOOL