Hisayuki Tsujinaka

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for inspecting the minimum annular width of...
- Patent number 5,408,538
- Issue date Apr 18, 1995
- Dainippon Screen Mfg. Co., Ltd.
- Ryuji Kitakado
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of and apparatus for detecting pattern defects
- Patent number 4,803,734
- Issue date Feb 7, 1989
- Dainippon Screen Mfg. Co., Ltd.
- Hiroyuki Onishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for inspecting pattern defects of printed wiring boards
- Patent number 4,799,175
- Issue date Jan 17, 1989
- Dainippon Screen Mfg., Co.
- Tetsuo Sano
- G01 - MEASURING TESTING
Information Patent Grant
Image pickup apparatus for a printed wiring board
- Patent number 4,682,040
- Issue date Jul 21, 1987
- Dainippon Screen Mfg. Co., Ltd.
- Tetsuo Hohki
- G01 - MEASURING TESTING