Shuhei TOYOKAWA

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Osaka-shi, Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber manufacturing method and optical fiber
- Patent number 11,360,260
- Issue date Jun 14, 2022
- Sumitomo Electric Industries, Ltd.
- Saori Kubara
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING OPTICAL FIBER
- Publication number 20250034024
- Publication date Jan 30, 2025
- Sumitomo Electric Industries, Ltd.
- Takahito ENDO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR MANUFACTURING GLASS FINE PARTICLE DEPOSIT AND METHOD FOR...
- Publication number 20220033294
- Publication date Feb 3, 2022
- Sumitomo Electric Industries, Ltd.
- Masatoshi HAYAKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER
- Publication number 20200379170
- Publication date Dec 3, 2020
- Sumitomo Electric Industries, Ltd.
- Saori KUBARA
- G02 - OPTICS
Information Patent Application
METHOD OF MANUFACTURING MULTICORE OPTICAL FIBER
- Publication number 20200308042
- Publication date Oct 1, 2020
- Sumitomo Electric Industries, Ltd.
- Takuji Nagashima
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
MANUFACTURING METHOD OF OPTICAL FIBER
- Publication number 20200189958
- Publication date Jun 18, 2020
- Sumitomo Electric Industries, Ltd.
- Yuki KAWAGUCHI
- C03 - GLASS MINERAL OR SLAG WOOL