Toshiyuki Ohhashi

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of determining the position of electron beam irradiation and...
- Patent number 5,081,354
- Issue date Jan 14, 1992
- Hitachi, Ltd.
- Toshiyuki Ohhashi
- H01 - BASIC ELECTRIC ELEMENTS