Ryoichi Hirano

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Itami, JP

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Patents Grantslast 30 patents

Information Patent Grant
Monolithic semiconductor laser array of radially disposed lasers
- Patent number 5,642,373
- Issue date Jun 24, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Takeshi Kamizato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device
- Patent number 5,519,720
- Issue date May 21, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Ryoichi Hirano
- G02 - OPTICS
Information Patent Grant
Method of manufacturing semiconductor light emitting device
- Patent number 4,637,845
- Issue date Jan 20, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Ryoichi Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Buried semiconductor laser avoiding thyristor action
- Patent number 4,561,096
- Issue date Dec 24, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Hirofumi Namizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid phase epitaxial growth technique
- Patent number 4,504,328
- Issue date Mar 12, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Ryoichi Hirano
- C30 - CRYSTAL GROWTH