Norihiko Sekine

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Machida, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tunable wavelength laser
- Patent number 7,112,827
- Issue date Sep 26, 2006
- Fujitsu Limited
- Akinori Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser
- Patent number 7,106,772
- Issue date Sep 12, 2006
- Fujitsu Limited
- Norihiko Sekine
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gain-coupled DFB laser diode
- Patent number 6,925,103
- Issue date Aug 2, 2005
- Fujitsu Limited
- Tsutomu Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 6,853,008
- Issue date Feb 8, 2005
- Fujitsu Limited
- Norihiko Sekine
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hetero-junction laser diode
- Patent number 6,734,464
- Issue date May 11, 2004
- Fujitsu Limited
- Norihiko Sekine
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Distributed feedback semiconductor laser
- Publication number 20040151222
- Publication date Aug 5, 2004
- FUJITSU LIMITED
- Norihiko Sekine
- B82 - NANO-TECHNOLOGY
Information Patent Application
Photosemiconductor device, method for fabricating photosemiconducto...
- Publication number 20040119079
- Publication date Jun 24, 2004
- Akinori Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Laser diode
- Publication number 20030094617
- Publication date May 22, 2003
- FUJITSU LIMITED
- Norihiko Sekine
- B82 - NANO-TECHNOLOGY
Information Patent Application
Gain-coupled DFB laser diode
- Publication number 20030086464
- Publication date May 8, 2003
- FUJITSU LIMITED
- Tsutomu Ishikawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor device and manufacturing method thereof
- Publication number 20020074546
- Publication date Jun 20, 2002
- FUJITSU LIMITED
- Norihiko Sekine
- H01 - BASIC ELECTRIC ELEMENTS