Hitoshi Watanabe

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Itami, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical modulator
- Patent number 5,550,855
- Issue date Aug 27, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Toshitaka Aoyagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quantum well semiconductor laser device structure
- Patent number 5,528,614
- Issue date Jun 18, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Watanabe
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of producing a semiconductor laser
- Patent number 5,143,864
- Issue date Sep 1, 1992
- Misubishi Denki Kabushiki Kaisha
- Akira Takemoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light interactive heterojunction semiconductor device
- Patent number 5,126,804
- Issue date Jun 30, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Yutaka Nagai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device
- Patent number 5,093,835
- Issue date Mar 3, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Akira Takemoto
- H01 - BASIC ELECTRIC ELEMENTS