Yasuo Ashizawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 6,072,203
- Issue date Jun 6, 2000
- Kabushiki Kaisha Toshiba
- Chiharu Nozaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ultra high frequency radio communication apparatus
- Patent number 5,898,909
- Issue date Apr 27, 1999
- Kabushiki Kaisha Toshiba
- Kunio Yoshihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High electron mobility transistor
- Patent number 5,319,223
- Issue date Jun 7, 1994
- Kabushiki Kaisha Toshiba
- Shinobu Fujita
- 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
Information Patent Grant
Molecular beam epitaxial growth apparatus
- Patent number 4,664,063
- Issue date May 12, 1987
- Kabushiki Kaisha Toshiba
- Yasuo Ashizawa
- C30 - CRYSTAL GROWTH