Inventor · disambiguated record
Toyoharu Hanzawa
Also filed as: HANZAWA TOYOHARU
37 granted patents·1,022 citations·filing 1991–2020
98Inventor score
Top patents by PatentIndex Score
37 records- 0195US5588948AStereoscopic endoscopeOLYMPUS OPTICAL CO·Filed 1993·Granted Dec 31, 1996·176 cites·14 claims
- 0294US7872806B2Electronic image pickup systemOLYMPUS CORP·Filed 2008·Granted Jan 18, 2011·15 cites·15 claims
- 0391US7057659B1Image pickup device and image pickup optical systemOLYMPUS CORP·Filed 2000·Granted Jun 6, 2006·38 cites·21 claims
- 0486US7436599B2Electronic image pickup systemOLYMPUS CORP·Filed 2002·Granted Oct 14, 2008·18 cites·53 claims
- 0583US6996341B2Photographic apparatus for stereoscopic microscopeOLYMPUS CORP·Filed 2003·Granted Feb 7, 2006·18 cites·16 claims
- 0683US6618210B2Zoom lens system and image pickup apparatus having the sameOLYMPUS OPTICAL CO·Filed 2001·Granted Sep 9, 2003·27 cites·33 claims
- 0782US5720706AStereoscopic endoscopeOLYMPUS OPTICAL CO·Filed 1995·Granted Feb 24, 1998·68 cites·10 claims
- 0882US5577991AThree-dimensional vision endoscope with position adjustment means for imaging device and visual field maskOLYMPUS OPTICAL CO·Filed 1995·Granted Nov 26, 1996·324 cites·2 claims
- 0981US5579772ASurgical microscope systemOLYMPUS OPTICAL CO·Filed 1994·Granted Dec 3, 1996·53 cites·1 claims
- 1078US7567288B2Image pickup device and image pickup optical systemOLYMPUS CORP·Filed 2006·Granted Jul 28, 2009·3 cites·17 claims
- 1178US5729382ALarge exit-pupil stereoscopic microscopeOLYMPUS OPTICAL CO·Filed 1995·Granted Mar 17, 1998·49 cites·28 claims
- 1277US7167304B2Binocular stereoscopic observation apparatus, electronic image stereomicroscope, electronic image stereoscopic observation apparatus, and electronic image observation apparatusOLYMPUS CORP·Filed 2005·Granted Jan 23, 2007·5 cites·13 claims
- 1374US8094381B2Electronic image pickup systemMIHARA SHINICHI·Filed 2010·Granted Jan 10, 2012·1 cites·12 claims
- 1473US7564497B2Image pickup device and image pickup optical systemOLYMPUS CORP·Filed 2006·Granted Jul 21, 2009·2 cites·13 claims
- 1572US7365910B2Electronic image pickup systemOLYMPUS CORP·Filed 2004·Granted Apr 29, 2008·6 cites·19 claims
- 1672US7253834B2Image pickup apparatus having image pickup optical systemOLYMPUS CORP·Filed 2002·Granted Aug 7, 2007·11 cites·22 claims
- 1772US7085045B2Stereoscopic microscopeOLYMPUS CORP·Filed 2003·Granted Aug 1, 2006·14 cites·16 claims
- 1872US5552929AStereomicroscopeOLYMPUS OPTICAL CO·Filed 1995·Granted Sep 3, 1996·46 cites·7 claims
- 1968US5822114AStereomicroscopeOLYMPUS OPTICAL CO·Filed 1997·Granted Oct 13, 1998·27 cites·11 claims
- 2066US9274321B2Electronic image pickup systemOLYMPUS CORP·Filed 2014·Granted Mar 1, 2016·0 cites·9 claims
- 2166US6327079B1Stereoscopic microscopeOLYMPUS OPTICAL CO·Filed 1998·Granted Dec 4, 2001·31 cites·23 claims
- 2266US5227914AStereomicroscope including a single variable magnification optical systemOLYMPUS OPTICAL CO·Filed 1991·Granted Jul 13, 1993·25 cites·8 claims
- 2364US10031322B2Electronic image pickup systemOLYMPUS CORP·Filed 2017·Granted Jul 24, 2018·0 cites·16 claims
- 2463US7280274B2Three-dimensional image observation microscope systemOLYMPUS MEDICAL SYSTEMS CORP·Filed 2006·Granted Oct 9, 2007·3 cites·6 claims
- 2562US9696524B2Electronic image pickup systemOLYMPUS CORP·Filed 2016·Granted Jul 4, 2017·0 cites·5 claims
- 2659US8885262B2Electronic image pickup systemMIHARA SHINICHI·Filed 2011·Granted Nov 11, 2014·0 cites·14 claims
- 2757US7380998B2Image pickup apparatus having image pickup optical systemOLYMPUS CORP·Filed 2007·Granted Jun 3, 2008·1 cites·5 claims
- 2856US7432974B2Image pickup device and image pickup optical systemOLYMPUS CORP·Filed 2006·Granted Oct 7, 2008·0 cites·15 claims
- 2955US7602437B2Image pickup device and image pickup optical systemOLYMPUS CORP·Filed 2006·Granted Oct 13, 2009·0 cites·4 claims
- 3054US6304374B1StereomicroscopeOLYMPUS OPTICAL CO·Filed 1998·Granted Oct 16, 2001·15 cites·12 claims
- 3152US5331457AStereomicroscope wherein the distance between a pair of beams remains unchanged when the magnification is changedOLYMPUS OPTICAL CO·Filed 1993·Granted Jul 19, 1994·14 cites·7 claims
- 3251US11933961B2Stereoscopic vision endoscope objective optical system and endoscope using the sameOLYMPUS CORP·Filed 2020·Granted Mar 19, 2024·0 cites·9 claims
- 3351US5142409AObjective lens systemOLYMPUS OPTICAL CO·Filed 1991·Granted Aug 25, 1992·15 cites·5 claims
- 3450US11249299B2Stereoscopic vision optical system and endoscope using the sameOLYMPUS CORP·Filed 2020·Granted Feb 15, 2022·0 cites·9 claims
- 3549US8743186B2Focal depth expansion deviceOLYMPUS MEDICAL SYSTEMS CORP·Filed 2013·Granted Jun 3, 2014·0 cites·13 claims
- 3643US5394267AStereomicroscopeOLYMPUS OPTICAL CO·Filed 1993·Granted Feb 28, 1995·10 cites·7 claims
- 3738US5341239AStereomicroscope equipped with eyepiece including variable magnification optical systemOLYMPUS OPTICAL CO·Filed 1992·Granted Aug 23, 1994·7 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →