Masakazu Sano

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Saga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor silicon wafer, semiconductor silicon wafer fabricatio...
- Patent number 6,129,787
- Issue date Oct 10, 2000
- Sumitomo Metal Industries, Ltd.
- Naoshi Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon single crystal wafer annealing method and equipment, and si...
- Patent number 6,074,479
- Issue date Jun 13, 2000
- Sumitomo Metal Industries Ltd.
- Naoshi Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon single crystal wafer annealing method and equipment and sil...
- Patent number 5,931,662
- Issue date Aug 3, 1999
- Sumitomo Sitix Corporation
- Naoshi Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of annealing a semiconductor wafer in a hydrogen atmosphere...
- Patent number 5,508,207
- Issue date Apr 16, 1996
- Sumitomo Sitix Corporation
- Masataka Horai
- H01 - BASIC ELECTRIC ELEMENTS