Takemasa AKIYAMA

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Osaka, JP

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Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER CABLE
- Publication number 20250116832
- Publication date Apr 10, 2025
- Sumitomo Electric Industries, Ltd.
- Toru KUROSAWA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER UNIT AND OPTICAL CABLE
- Publication number 20240329346
- Publication date Oct 3, 2024
- Sumitomo Electric Industries, Ltd.
- Takemasa AKIYAMA
- G02 - OPTICS