Inventor · disambiguated record
Kenji Hirooka
Also filed as: HIROOKA KENJI
9 granted patents·380 citations·filing 1988–2003
91Inventor score
Top patents by PatentIndex Score
9 records- 0169US5054491AUltrasonic endoscope apparatusOLYMPUS OPTICAL CO·Filed 1989·Granted Oct 8, 1991·94 cites·17 claims
- 0267US4982724AEndoscope apparatusOLYMPUS OPICALS CO·Filed 1988·Granted Jan 8, 1991·98 cites·6 claims
- 0363US7029436B2Optical probe for producing tomogram of specimen by the use of low-coherence lightOLYMPUS CORP·Filed 2002·Granted Apr 18, 2006·28 cites·51 claims
- 0462US5097838AUltrasonic endoscopeOLYMPUS OPTICAL CO·Filed 1990·Granted Mar 24, 1992·26 cites·5 claims
- 0560US7258668B2Ultrasonic probe for operation under microscopeOLYMPUS CORP·Filed 2003·Granted Aug 21, 2007·24 cites·5 claims
- 0659US6641539B2Ultrasonic probe for operation under microscopeOLYMPUS OPTICAL CO·Filed 2000·Granted Nov 4, 2003·22 cites·32 claims
- 0752US4957112AUltrasonic diagnostic apparatusOLYMPUS OPTICAL CO·Filed 1988·Granted Sep 18, 1990·43 cites·12 claims
- 0847US4867136AEndoscope apparatusOLYMPUS OPTICAL CO·Filed 1988·Granted Sep 19, 1989·31 cites·36 claims
- 0932US5125411AUltrasound diagnostic apparatus for use in a body cavityOLYMPUS OPTICAL CO·Filed 1991·Granted Jun 30, 1992·14 cites·10 claims
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