Kazuyoshi Hasegawa

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Itami, JP

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Patents Grantslast 30 patents

Information Patent Grant
Integrated semiconductor light generating and detecting device
- Patent number 6,137,121
- Issue date Oct 24, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Yousuke Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting device with partial encapsulation
- Patent number 5,105,237
- Issue date Apr 14, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Kazuyoshi Hasegawa
- G02 - OPTICS
Information Patent Grant
Semiconductor laser device
- Patent number 5,022,035
- Issue date Jun 4, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Kazuyoshi Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device and a method of producing same
- Patent number 4,995,687
- Issue date Feb 26, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Seiichi Nagai
- G02 - OPTICS
Information Patent Grant
Submount for semiconductor laser element
- Patent number 4,947,238
- Issue date Aug 7, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuo Ishii
- H01 - BASIC ELECTRIC ELEMENTS