Masahisa Funemizu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical semiconductor device and its manufacturing method
- Patent number 6,108,481
- Issue date Aug 22, 2000
- Kabushiki Kaisha Toshiba
- Masaki Tohyama
- G02 - OPTICS
Information Patent Grant
Grating coupled surface emitting device
- Patent number 5,970,081
- Issue date Oct 19, 1999
- Kabushiki Kaisha Toshiba
- Yuzo Hirayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a p-type compound semiconductor thin film c...
- Patent number 5,168,077
- Issue date Dec 1, 1992
- Kabushiki Kaisha Toshiba
- Yasuo Ashizawa
- C30 - CRYSTAL GROWTH