Tsutomu Ukai

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser device
- Patent number 7,787,509
- Issue date Aug 31, 2010
- Panasonic Corporation
- Tsutomu Ukai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device and method of manufacturing the same
- Patent number 7,566,577
- Issue date Jul 28, 2009
- Panasonic Corporation
- Yoshiyuki Matsuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device, semiconductor laser system, optical pic...
- Patent number 7,531,440
- Issue date May 12, 2009
- Panasonic Corporation
- Tsutomu Ukai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device, semiconductor laser system, optical pic...
- Patent number 7,260,128
- Issue date Aug 21, 2007
- Matsushita Electric Industrial Co., Ltd.
- Tsutomu Ukai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor laser device, semiconductor laser system, optical pic...
- Publication number 20080014672
- Publication date Jan 17, 2008
- Matsushita Electric Industrial Co., Ltd.
- Tsutomu Ukai
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor laser device
- Publication number 20070201524
- Publication date Aug 30, 2007
- Tsutomu Ukai
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor laser device and method of manufacturing the same
- Publication number 20070058687
- Publication date Mar 15, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yoshiyuki Matsuki
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor laser device, semiconductor laser system, optical pic...
- Publication number 20050008054
- Publication date Jan 13, 2005
- Tsutomu Ukai
- B82 - NANO-TECHNOLOGY