HT

Hisayuki Tsujinaka

DC Dainippon Screen Mfg. Co.: 4 patents #193 of 977Top 20%
Overall (All Time): #1,292,403 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5408538 Method of and apparatus for inspecting the minimum annular width of a land on a printed circuit board Ryuji Kitakado, Tetsuo Hoki, Takao Omae 1995-04-18
4803734 Method of and apparatus for detecting pattern defects Hiroyuki Onishi, Tetsuo Sano, Tetsuo Hoki, Eiji Kodama, Ryuji Kitakado 1989-02-07
4799175 System for inspecting pattern defects of printed wiring boards Tetsuo Sano, Tetsuo Hohki, Eiji Kodama, Takumi Yoshida, Masafumi Kawatani 1989-01-17
4682040 Image pickup apparatus for a printed wiring board Tetsuo Hohki, Tetsuo Sano, Eiji Kodama 1987-07-21