Inventor · disambiguated record
Toshio Oku
Also filed as: KURUMATANI MASAAKI · OKU TOSHIO
8 granted patents·468 citations·filing 1978–1995
90Inventor score
Top patents by PatentIndex Score
8 records- 0186US4630649AGuide tube for industrial endoscopeMACHIDA ENDOSCOPE CO LTD·Filed 1985·Granted Dec 23, 1986·60 cites·3 claims
- 0282US4277168AEndoscope with means for detecting rotation of a distal examining endMACHIDA ENDOSCOPE CO LTD·Filed 1979·Granted Jul 7, 1981·98 cites·8 claims
- 0371US5224467AEndoscope with direction indication mechanismMACHIDA ENDOSCOPE CO LTD·Filed 1992·Granted Jul 6, 1993·157 cites·11 claims
- 0463US5215077ADirect vision/side vision exchangeable endoscopeMACHIDA ENDOSCOPE CO LTD·Filed 1990·Granted Jun 1, 1993·27 cites·4 claims
- 0559US5280781AGuide device for endoscopeMACHIDA ENDOSCOPE CO LTD·Filed 1992·Granted Jan 25, 1994·88 cites·14 claims
- 0657US4340302AEndoscope with sensorMACHIDA ENDOSCOPE CO LTD·Filed 1979·Granted Jul 20, 1982·15 cites·2 claims
- 0747US4190514AElectrolytic cellTOKUYAMA SODA KK·Filed 1978·Granted Feb 26, 1980·7 cites·8 claims
- 0833US5554893ASystem for controlling semiconductorMACHIDA ENDOSCOPE CO LTD·Filed 1995·Granted Sep 10, 1996·16 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →