Ryosuke Yatsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
DFB laser assembly and laser module
- Patent number 7,453,100
- Issue date Nov 18, 2008
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser device and laser module
- Patent number 6,829,277
- Issue date Dec 7, 2004
- The Furukawa Electric Co., Ltd.
- Ryosuke Yatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device having improved output power characteris...
- Patent number 6,782,022
- Issue date Aug 24, 2004
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 6,661,828
- Issue date Dec 9, 2003
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device having selective absorption qualities
- Patent number 6,580,740
- Issue date Jun 17, 2003
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DFB laser assembly and laser module
- Publication number 20030063648
- Publication date Apr 3, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device having selective absorption qualities ov...
- Publication number 20030047738
- Publication date Mar 13, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device having improved output power characteris...
- Publication number 20030043878
- Publication date Mar 6, 2003
- The Furukawa Electric Co, Ltd.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Distributed feedback semiconductor laser device and laser module
- Publication number 20030039285
- Publication date Feb 27, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Ryosuke Yatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device having selective absortion qualities
- Publication number 20030016720
- Publication date Jan 23, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device
- Publication number 20020031152
- Publication date Mar 14, 2002
- THE FURUKAWA ELECTRIC CO., LTD.
- Masaki Funabashi
- H01 - BASIC ELECTRIC ELEMENTS