Yuji Ohkura

Person

Itami, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser device and process for manufacturing the same
- Patent number 6,333,946
- Issue date Dec 25, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Motoharu Miyashita
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser diode
- Patent number 6,154,476
- Issue date Nov 28, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Harumi Nishiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 5,887,011
- Issue date Mar 23, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Yuji Ohkura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device and method of fabricating semiconductor...
- Patent number 5,835,516
- Issue date Nov 10, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Motoharu Miyashita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vapor-phase growth apparatus and compound semiconductor device fabr...
- Patent number 5,800,622
- Issue date Sep 1, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Masayoshi Takemi
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor laser device
- Patent number 5,706,304
- Issue date Jan 6, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Yuji Ohkura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Infrared detector having active regions and isolating regions forme...
- Patent number 5,602,414
- Issue date Feb 11, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Kotaro Mitsui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser including periodic structures with different pe...
- Patent number 5,386,433
- Issue date Jan 31, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Yuji Ohkura
- G02 - OPTICS
Information Patent Grant
Method of manufacturing a diffraction grating for a semiconductor l...
- Patent number 5,238,785
- Issue date Aug 24, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Yuji Ohkura
- G02 - OPTICS
Information Patent Grant
Method for producing an infrared detector
- Patent number 5,198,370
- Issue date Mar 30, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Yuji Ohkura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single wavelength semiconductor laser
- Patent number 4,847,857
- Issue date Jul 11, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Yuji Ohkura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor laser device
- Publication number 20020196828
- Publication date Dec 26, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Shinji Abe
- B82 - NANO-TECHNOLOGY

Yuji Ohkura

Person

Patents Grantslast 30 patents

Semiconductor laser device and process for manufacturing the same

Semiconductor laser diode

Semiconductor laser

Semiconductor laser device and method of fabricating semiconductor...

Vapor-phase growth apparatus and compound semiconductor device fabr...

Semiconductor laser device

Infrared detector having active regions and isolating regions forme...

Semiconductor laser including periodic structures with different pe...

Method of manufacturing a diffraction grating for a semiconductor l...

Method for producing an infrared detector

Single wavelength semiconductor laser

Patents Applicationslast 30 patents

Semiconductor laser device