Yasuhiro Kunitsugu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light detecting element with grooved substrate
- Patent number 8,519,501
- Issue date Aug 27, 2013
- Mitsubishi Electric Corporation
- Hitoshi Tada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Semiconductor laser device including highly reflective coating film
- Patent number 7,826,507
- Issue date Nov 2, 2010
- Mitsubishi Electric Corporation
- Harumi Nishiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser devices
- Patent number 7,106,775
- Issue date Sep 12, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Hiromasu Matsuoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 7,039,085
- Issue date May 2, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Yasuhiro Kunitsugu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
BACK-SURFACE-INCIDENCE-TYPE SEMICONDUCTOR LIGHT RECEIVING ELEMENT
- Publication number 20130062718
- Publication date Mar 14, 2013
- Mitsubishi Electric Corporation
- Hitoshi TADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE
- Publication number 20080273556
- Publication date Nov 6, 2008
- Mitsubishi Electric Corporation
- Harumi Nishiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20070280307
- Publication date Dec 6, 2007
- Mitsubishi Electric Corporation
- Yasuhiro Kunitsugu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device
- Publication number 20040213314
- Publication date Oct 28, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Yasuhiro Kunitsugu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser devices
- Publication number 20040190576
- Publication date Sep 30, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Hiromasu Matsuoka
- H01 - BASIC ELECTRIC ELEMENTS