Yasushi Yoshimura

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing diffused silicon device substrate
- Patent number 5,308,789
- Issue date May 3, 1994
- Shin-Etsu Handotai Co., Ltd.
- Yasushi Yoshimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for mounting slice base on wafer of semiconductor
- Patent number 5,154,873
- Issue date Oct 13, 1992
- Naoetsu Electronics Company
- Tsutomu Sato
- B28 - WORKING CEMENT, CLAY, OR STONE