Kazumasa OISHI

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Osaka, JP

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Patents Applicationslast 30 patents

Information Patent Application
RESIN COATING DEVICE, APPARATUS FOR PRODUCING OPTICAL FIBER, AND ME...
- Publication number 20240174562
- Publication date May 30, 2024
- Sumitomo Electric Industries, Ltd.
- Kazumasa OISHI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
COATING DEVICE AND COATING METHOD
- Publication number 20230002274
- Publication date Jan 5, 2023
- Sumitomo Electric Industries, Ltd.
- Kazumasa OISHI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING...
- Publication number 20220363594
- Publication date Nov 17, 2022
- Sumitomo Electric Industries, Ltd.
- Yasuomi KANEUCHI
- C03 - GLASS MINERAL OR SLAG WOOL