Yoshihiro Ueno

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor silicon wafer and process for producing it
- Patent number 5,738,942
- Issue date Apr 14, 1998
- Kabushiki Kaisha Toshiba
- Atsuko Kubota
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for manufacturing a semiconductor device including pre-oxida...
- Patent number 5,731,247
- Issue date Mar 24, 1998
- Kabushiki Kaisha Toshiba
- Yoshihiro Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing Semiconductor silicon wafer
- Patent number 5,534,294
- Issue date Jul 9, 1996
- Kabushiki Kaisha Toshiba
- Atsuko Kubota
- C30 - CRYSTAL GROWTH