Yoshihiro TAKEYAMA

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Package for optical fiber, package product, method for extracting o...
- Patent number 12,111,508
- Issue date Oct 8, 2024
- SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
- Junji Fukui
- G02 - OPTICS
Information Patent Grant
Optical connector
- Patent number 11,867,871
- Issue date Jan 9, 2024
- SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
- Takahiro Inaba
- G02 - OPTICS
Information Patent Grant
Optical connector
- Patent number 11,409,053
- Issue date Aug 9, 2022
- SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
- Takahiro Inaba
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PACKAGE FOR OPTICAL FIBER, PACKAGE PRODUCT, METHOD FOR EXTRACTING O...
- Publication number 20240385407
- Publication date Nov 21, 2024
- SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
- Junji FUKUI
- G02 - OPTICS
Information Patent Application
PACKAGE FOR OPTICAL FIBER, PACKAGE PRODUCT, METHOD FOR EXTRACTING O...
- Publication number 20220350103
- Publication date Nov 3, 2022
- SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
- Junji FUKUI
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR
- Publication number 20210364704
- Publication date Nov 25, 2021
- SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
- Takahiro INABA
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR
- Publication number 20210255400
- Publication date Aug 19, 2021
- SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
- Takahiro INABA
- G02 - OPTICS