Takashi Tsunekawa

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Itami-shi Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor base material and method of manufacturing the material
- Patent number 7,179,667
- Issue date Feb 20, 2007
- Mitsubishi Cable Industries, Ltd.
- Hiroaki Okagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
GaN group semiconductor light-emitting element with concave and con...
- Patent number 7,053,420
- Issue date May 30, 2006
- Mitsubishi Cable Industries, Ltd.
- Kazuyuki Tadatomo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor light-emitting device
- Publication number 20040113166
- Publication date Jun 17, 2004
- Kazuyuki Tadatomo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Multi-wavelength luminous element
- Publication number 20040056258
- Publication date Mar 25, 2004
- Kazuyuki Tadatomo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor base material and method of manufacturing the material
- Publication number 20040048471
- Publication date Mar 11, 2004
- Hiroaki Okagawa
- C30 - CRYSTAL GROWTH