Yoshihiko Hanamaki

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
Waveguide semiconductor optical device and process of fabricating t...
- Publication number 20050141800
- Publication date Jun 30, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Yasunori Miyazaki
- G02 - OPTICS
Information Patent Application
Waveguide semiconductor optical device and process of fabricating t...
- Publication number 20040052490
- Publication date Mar 18, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Yasunori Miyazaki
- G02 - OPTICS