Takashi Agatsuma

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Kodaira, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing semiconductor device having isolating groove
- Patent number 4,657,630
- Issue date Apr 14, 1987
- Hitachi, Ltd.
- Takashi Agatsuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
IIL With in and outdiffused emitter pocket
- Patent number 4,258,379
- Issue date Mar 24, 1981
- Hitachi, Ltd.
- Tomoyuki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS