Osamu Ishihara

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Toyota, JP

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Patents Grantslast 30 patents

Information Patent Grant
High withstand voltage type semiconductor device having an isolatio...
- Patent number 5,644,157
- Issue date Jul 1, 1997
- Nippondenso Co., Ltd.
- Makio Iida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with thin film resistor having reduced film th...
- Patent number 5,525,831
- Issue date Jun 11, 1996
- Nippondenso Co., Ltd.
- Makoto Ohkawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for thermal diffusion by high frequency induction heating...
- Patent number 4,147,432
- Issue date Apr 3, 1979
- Nippondenso Co., Ltd.
- Masao Yamawaki
- C30 - CRYSTAL GROWTH