Inventor · disambiguated record
Tsutomu Hirai
Also filed as: HIRAI TSUTOMU
9 granted patents·1,126 citations·filing 1993–2007
91Inventor score
Top patents by PatentIndex Score
9 records- 0193US6984206B2Endoscope and endoscope system with optical phase modulation memberOLYMPUS CORP·Filed 2002·Granted Jan 10, 2006·78 cites·19 claims
- 0293US6636254B1Image processing apparatus for performing turn or mirror inversion on an input video signal and outputting different images simultaneouslyOLYMPUS OPTICAL CO·Filed 1996·Granted Oct 21, 2003·181 cites·23 claims
- 0391US6319197B1Endoscope system having reduced noise emission/permeationOLYMPUS OPTICAL CO·Filed 1997·Granted Nov 20, 2001·134 cites·4 claims
- 0491US5678568ASystem control apparatus, medical system control apparatus and image-plane display method of medical system control apparatusOLYMPUS OPTICAL CO·Filed 1994·Granted Oct 21, 1997·590 cites·28 claims
- 0587US5543831AEndoscope system having reduced noise emission/permeationOLYMPUS OPTICAL CO·Filed 1993·Granted Aug 6, 1996·73 cites·5 claims
- 0685US8189041B2Endoscope signal processing apparatusKONISHI JUN·Filed 2007·Granted May 29, 2012·65 cites·23 claims
- 0765US8537209B2Endoscope apparatusIWASAKI TOMOKI·Filed 2005·Granted Sep 17, 2013·5 cites·2 claims
- 0846US7951074B2Endoscope deviceOLYMPUS CORP·Filed 2007·Granted May 31, 2011·0 cites·12 claims
- 0933US8587644B2Image processing apparatus for endoscopeHIRAI TSUTOMU·Filed 2006·Granted Nov 19, 2013·0 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Tsutomu Hirai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →