Keiichiro Fukuda

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Relay circuit board, electric wire for differential transmission wi...
- Patent number 11,445,607
- Issue date Sep 13, 2022
- Sumitomo Electric Industries, Ltd.
- Keiichiro Fukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wire and mold-member assembly and cable with connector
- Patent number 11,411,381
- Issue date Aug 9, 2022
- Sumitomo Electric Industries, Ltd.
- Masaki Oyagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber splicing method and optical transmission line
- Patent number 6,729,777
- Issue date May 4, 2004
- Sumitomo Electric Industries, Ltd.
- Takatoshi Kato
- G02 - OPTICS
Information Patent Grant
Optical fiber transmission line
- Patent number 6,644,870
- Issue date Nov 11, 2003
- Sumitomo Electric Industries, Ltd.
- Noriko Iwata
- G02 - OPTICS
Information Patent Grant
Dispersion compensator and optical transmission system
- Patent number 6,628,872
- Issue date Sep 30, 2003
- Sumitomo Electric Industries, Ltd.
- Mitsuomi Hada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber and laser machining apparatus
- Patent number 6,608,955
- Issue date Aug 19, 2003
- Sumitomo Electric Industries, Ltd.
- Keiichiro Fukuda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber
- Patent number 6,597,846
- Issue date Jul 22, 2003
- Sumitomo Electric Industries Co., Ltd.
- Takashi Fujii
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
WIRE AND MOLD-MEMBER ASSEMBLY AND CABLE WITH CONNECTOR
- Publication number 20210296878
- Publication date Sep 23, 2021
- Sumitomo Electric Industries, Ltd.
- Masaki OYAGI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RELAY CIRCUIT BOARD, ELECTRIC WIRE FOR DIFFERENTIAL TRANSMISSION WI...
- Publication number 20200359497
- Publication date Nov 12, 2020
- Sumitomo Electric Industries, Ltd.
- Keiichiro FUKUDA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Optical fiber and laser machining apparatus
- Publication number 20020164136
- Publication date Nov 7, 2002
- Keiichiro Fukuda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Optical fiber transmission line
- Publication number 20020146221
- Publication date Oct 10, 2002
- Noriko Iwata
- G02 - OPTICS
Information Patent Application
Optical fiber splicing method and optical transmission line
- Publication number 20020114594
- Publication date Aug 22, 2002
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Takatoshi Kato
- G02 - OPTICS
Information Patent Application
Dispersion compensator and optical transmission system
- Publication number 20010051031
- Publication date Dec 13, 2001
- Mitsuomi Hada
- G02 - OPTICS