MITSURU EKAWA

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KAWASAKI-SHI, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor optical integrated device and method for fabricating...
- Patent number 8,987,117
- Issue date Mar 24, 2015
- Fujitsu Limited
- Shigekazu Okumura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor optical integrated device and method for fabricating...
- Patent number 8,565,279
- Issue date Oct 22, 2013
- Fujitsu Limited
- Shigekazu Okumura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical semiconductor device
- Patent number 7,924,896
- Issue date Apr 12, 2011
- Fujitsu Limited
- Tsuyoshi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device and manufacturing method thereof
- Patent number 7,804,870
- Issue date Sep 28, 2010
- Fujitsu Limited
- Kan Takada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device and fabrication method thereof
- Patent number 7,482,617
- Issue date Jan 27, 2009
- Fujitsu Limited
- Tsuyoshi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gain-coupled semiconductor laser device lowering blue shift
- Patent number 6,853,661
- Issue date Feb 8, 2005
- Fujitsu Limited
- Mitsuru Ekawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of a semiconductor device having a diffraction...
- Patent number 6,376,338
- Issue date Apr 23, 2002
- Fujitsu Limited
- Mitsuru Ekawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical semiconductor device and a method of manufacturing the same
- Patent number 6,238,943
- Issue date May 29, 2001
- Fujitsu Limited
- Hirohiko Kobayashi
- G02 - OPTICS
Information Patent Grant
Method of fabricating compound semiconductor device and optical sem...
- Patent number 6,034,983
- Issue date Mar 7, 2000
- Fujitsu Limited
- Takuya Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical semiconductor device and a method of manufacturing the same
- Patent number 5,987,046
- Issue date Nov 16, 1999
- Fujitsu Limited
- Hirohiko Kobayashi
- G02 - OPTICS
Information Patent Grant
Fabricating compound semiconductor by varying ratio of stagnant lay...
- Patent number 5,937,273
- Issue date Aug 10, 1999
- Fujitsu Limited
- Takuya Fujii
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR OPTICAL INTEGRATED DEVICE AND METHOD FOR FABRICATING...
- Publication number 20130330867
- Publication date Dec 12, 2013
- Fujitsu Limited
- Shigekazu OKUMURA
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR OPTICAL INTEGRATED DEVICE AND METHOD FOR FABRICATING...
- Publication number 20130010824
- Publication date Jan 10, 2013
- Fujitsu Limited
- Shigekazu OKUMURA
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20090052487
- Publication date Feb 26, 2009
- Fujitsu Limited
- Tsuyoshi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20080240191
- Publication date Oct 2, 2008
- Fujitsu Limited
- Kan TAKADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical semiconductor device and fabrication method thereof
- Publication number 20060219996
- Publication date Oct 5, 2006
- FUJITSU LIMITED
- Tsuyoshi Yamamoto
- B82 - NANO-TECHNOLOGY
Information Patent Application
Gain-coupled semiconductor laser device lowering blue shift
- Publication number 20030198266
- Publication date Oct 23, 2003
- FUJITSU LIMITED
- Mitsuru Ekawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MANHUFACTURE METHOD OF SEMICONDCTOR DEVICE HAVING A DIFFRACTION GRA...
- Publication number 20010001734
- Publication date May 24, 2001
- MITSURU EKAWA
- B82 - NANO-TECHNOLOGY

MITSURU EKAWA

Person

Patents Grantslast 30 patents

Semiconductor optical integrated device and method for fabricating...

Semiconductor optical integrated device and method for fabricating...

Optical semiconductor device

Semiconductor optical device and manufacturing method thereof

Optical semiconductor device and fabrication method thereof

Gain-coupled semiconductor laser device lowering blue shift

Manufacturing method of a semiconductor device having a diffraction...

Optical semiconductor device and a method of manufacturing the same

Method of fabricating compound semiconductor device and optical sem...

Optical semiconductor device and a method of manufacturing the same

Fabricating compound semiconductor by varying ratio of stagnant lay...

Patents Applicationslast 30 patents

SEMICONDUCTOR OPTICAL INTEGRATED DEVICE AND METHOD FOR FABRICATING...

SEMICONDUCTOR OPTICAL INTEGRATED DEVICE AND METHOD FOR FABRICATING...

OPTICAL SEMICONDUCTOR DEVICE

SEMICONDUCTOR OPTICAL DEVICE AND MANUFACTURING METHOD THEREOF

Optical semiconductor device and fabrication method thereof

Gain-coupled semiconductor laser device lowering blue shift

MANHUFACTURE METHOD OF SEMICONDCTOR DEVICE HAVING A DIFFRACTION GRA...