Tomoko Kadowaki

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Itami, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser device
- Patent number 7,675,954
- Issue date Mar 9, 2010
- Mitsubishi Denki Kabushiki Kaisha
- Tomoko Kadowaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge waveguide semiconductor laser
- Patent number 7,187,701
- Issue date Mar 6, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Yutaka Mihashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 5,596,592
- Issue date Jan 21, 1997
- Mitsubish Denki Kabushiki Kaisha
- Yoriko Tanigami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing semiconductor laser device using etch stop layer
- Patent number 5,420,066
- Issue date May 30, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Akihiro Shima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser including an aluminum-rich AlGaAs etch stopping...
- Patent number 5,357,535
- Issue date Oct 18, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Akihiro Shima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 5,214,663
- Issue date May 25, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Syoichi Kakimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 5,146,467
- Issue date Sep 8, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Tomoko Kadowaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor laser device
- Publication number 20060018358
- Publication date Jan 26, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Tomoko Kadowaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Ridge waveguide type semiconductor laser
- Publication number 20040218646
- Publication date Nov 4, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Yutaka Mihashi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor device
- Publication number 20030214990
- Publication date Nov 20, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tomoko Kadowaki
- H01 - BASIC ELECTRIC ELEMENTS