Hisahiko Narukawa

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Komaki, 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
Tray for storing optical fiber
- Patent number D1044482
- Issue date Oct 1, 2024
- SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
- Junji Fukui
- D08 - Tools and hardware
Information Patent Grant
Tray for storing optical fiber
- Patent number D1043319
- Issue date Sep 24, 2024
- SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
- Junji Fukui
- D08 - Tools and hardware
Information Patent Grant
Rack for storing electrical equipment
- Patent number 11,864,340
- Issue date Jan 2, 2024
- Sumitomo Electric Industries, Ltd.
- Hisahiko Narukawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Bracket and optical unit with bracket
- Patent number 10,401,585
- Issue date Sep 3, 2019
- Sumitomo Electric Industries, Ltd.
- Eisuke Oki
- 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
HINGE AND DOOR
- Publication number 20240141708
- Publication date May 2, 2024
- Sumitomo Electric Industries, Ltd.
- Duong Tuan NGHIA
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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
RACK FOR STORING ELECTRICAL EQUIPMENT
- Publication number 20220022338
- Publication date Jan 20, 2022
- Sumitomo Electric Industries, Ltd.
- Hisahiko NARUKAWA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR