Takahiko Okabe

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Isehara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 5,861,659
- Issue date Jan 19, 1999
- Canon Kabushiki Kaisha
- Takahiko Okabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing semiconductor device having alignment mark
- Patent number 5,663,099
- Issue date Sep 2, 1997
- Canon Kabushiki Kaisha
- Takahiko Okabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing semiconductor device having alignment mark
- Patent number 5,482,893
- Issue date Jan 9, 1996
- Canon Kabushiki Kaisha
- Takahiko Okabe
- H01 - BASIC ELECTRIC ELEMENTS