Takichi Ishii

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device having a trapezoidal joint chip
- Patent number 5,869,893
- Issue date Feb 9, 1999
- Seiko Instruments Inc.
- Osamu Koseki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and process for fabricating the same
- Patent number 5,639,693
- Issue date Jun 17, 1997
- Seiko Instruments Inc.
- Osamu Koseki
- H01 - BASIC ELECTRIC ELEMENTS