Hitoshi Kagawa

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical semiconductor device
- Patent number 5,483,095
- Issue date Jan 9, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Kagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magneto-optic recording system and associated controllable heat source
- Patent number 5,469,413
- Issue date Nov 21, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Kagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser device
- Patent number 5,164,951
- Issue date Nov 17, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Kagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a semiconductor laser
- Patent number 5,079,185
- Issue date Jan 7, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Kagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Monolithic multiple beam semiconductor laser
- Patent number 5,012,478
- Issue date Apr 30, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Ryo Hattori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 4,984,243
- Issue date Jan 8, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Kagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser with facet protection film of selected reflecti...
- Patent number 4,852,112
- Issue date Jul 25, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Kagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making a semiconductor laser by cleaving a cantilever he...
- Patent number 4,769,342
- Issue date Sep 6, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuya Yagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making a heterostructure semiconductor laser device by p...
- Patent number 4,758,532
- Issue date Jul 19, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuya Yagi
- H01 - BASIC ELECTRIC ELEMENTS

Hitoshi Kagawa

Person

Patents Grantslast 30 patents

Optical semiconductor device

Magneto-optic recording system and associated controllable heat source

Semiconductor laser device

Method of making a semiconductor laser

Monolithic multiple beam semiconductor laser

Semiconductor laser device

Semiconductor laser with facet protection film of selected reflecti...

Method for making a semiconductor laser by cleaving a cantilever he...

Method for making a heterostructure semiconductor laser device by p...