Inventor · disambiguated record
Tamio Ohtani
Also filed as: OHTANI TAMIO
6 granted patents·177 citations·filing 1981–1990
86Inventor score
Files withHITACHI SEIKO KK6
Top patents by PatentIndex Score
6 records- 0190US4658494AApparatus for drilling printed circuit boardsHITACHI SEIKO KK·Filed 1986·Granted Apr 21, 1987·52 cites·10 claims
- 0288US5123789AMethod of and apparatus for machining printed circuit boardHITACHI SEIKO KK·Filed 1989·Granted Jun 23, 1992·62 cites·10 claims
- 0356US4982831APrinted circuit board adapter supplying apparatus and method for use in printed circuit board drilling apparatusHITACHI SEIKO KK·Filed 1989·Granted Jan 8, 1991·17 cites·4 claims
- 0453US4420685AMethod and equipment for detecting tool failureHITACHI SEIKO KK·Filed 1981·Granted Dec 13, 1983·15 cites·7 claims
- 0552US5109584APrinted circuit board adapter supplying apparatus and method for use in printed circuit board drilling apparatusHITACHI SEIKO KK·Filed 1990·Granted May 5, 1992·16 cites·4 claims
- 0649US4867297ABoard exchanging apparatusHITACHI SEIKO KK·Filed 1987·Granted Sep 19, 1989·15 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →