Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5774574 | Pattern defect detection apparatus | — | 1998-06-30 |
| 5408538 | Method of and apparatus for inspecting the minimum annular width of a land on a printed circuit board | Ryuji Kitakado, Hisayuki Tsujinaka, Takao Omae | 1995-04-18 |
| 5347591 | Method of and device for determining positioning between a hole and a wiring pattern on a printed circuit board by utilizing a set of area values | Hiroyuki Onishi | 1994-09-13 |
| 5272762 | Method of and apparatus for inspecting wiring pattern on printed board | Yoshinori Sezaki, Takao Kanai, Hitoshi Atsuta | 1993-12-21 |
| 5197105 | Method of reading optical image of inspected surface and image reading system employabale therein | Haruo Uemura | 1993-03-23 |
| 5161202 | Method of and device for inspecting pattern of printed circuit board | Ryuji Kitakado, Hironobu Yano | 1992-11-03 |
| 5150422 | Method of and apparatus for inspecting conductive pattern on printed board | Ryuji Kitakado, Hironobu Yano, Hiroaki KAKUMA, Takao Kanai | 1992-09-22 |
| 5150423 | Method of and device for inspecting pattern of printed circuit board | — | 1992-09-22 |
| 5144681 | Method of and apparatus for inspecting conductive pattern on printed board | Ryuji Kitakado, Hironobu Yano, Hiroaki KAKUMA, Takao Kanai | 1992-09-01 |
| 5046113 | Method of and apparatus for detecting pattern defects by means of a plurality of inspecting units each operating in accordance with a respective inspecting principle | — | 1991-09-03 |
| 5027417 | Method of and apparatus for inspecting conductive pattern on printed board | Ryuji Kitakado, Hironobu Yano, Hiroaki KAKUMA, Takao Kanai | 1991-06-25 |
| 4803734 | Method of and apparatus for detecting pattern defects | Hiroyuki Onishi, Tetsuo Sano, Eiji Kodama, Hisayuki Tsujinaka, Ryuji Kitakado | 1989-02-07 |
| 4797939 | Pattern masking method and an apparatus therefor | Tetsuo Sano, Ryuji Kitakado, Yoshinori Sezaki, Tomiji Hotta, Hironobu Yano | 1989-01-10 |