TO

Tamio Ohtani

HS Hitachi Seiko: 6 patents #4 of 106Top 4%
Overall (All Time): #892,578 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5123789 Method of and apparatus for machining printed circuit board Yasuhiko Kanaya, Tuyoshi Yamaguchi 1992-06-23
5109584 Printed circuit board adapter supplying apparatus and method for use in printed circuit board drilling apparatus Akira Irie, Yasuhiko Kanaya 1992-05-05
4982831 Printed circuit board adapter supplying apparatus and method for use in printed circuit board drilling apparatus Akira Irie, Yasuhiko Kanaya 1991-01-08
4867297 Board exchanging apparatus Kunio Saitoh, Yasuhiko Kanaya 1989-09-19
4658494 Apparatus for drilling printed circuit boards Yasuhiko Kanaya, Hiroshi Aoyama, Nobuyasu Nonaka 1987-04-21
4420685 Method and equipment for detecting tool failure Yasuhiko Kanaya 1983-12-13