Inventor · disambiguated record
Hiroshi Ishiwata
Also filed as: ISHIWATA HIROSHI
38 granted patents·3 pending applications·668 citations·filing 1986–2018
98Inventor score
Top patents by PatentIndex Score
41 records- 0192US5751475APhase contrast microscopeOLYMPUS OPTICAL CO·Filed 1994·Granted May 12, 1998·118 cites·21 claims
- 0290US10114207B2Apparatus and method for obtaining three-dimensional informationOLYMPUS CORP·Filed 2016·Granted Oct 30, 2018·7 cites·12 claims
- 0385US6404545B1Optical apparatus and microscopeOLYMPUS OPTICAL CO·Filed 2000·Granted Jun 11, 2002·32 cites·21 claims
- 0482US8174686B2Focal position determining method, focal position determining apparatus, feeble light detecting apparatus and feeble light detecting methodNAMBA AKIHIRO·Filed 2008·Granted May 8, 2012·13 cites·11 claims
- 0580US10754139B2Three-dimensional position information acquiring method and three-dimensional position information acquiring apparatusOLYMPUS CORP·Filed 2018·Granted Aug 25, 2020·2 cites·4 claims
- 0680US5969855AMicroscope apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Oct 19, 1999·61 cites·12 claims
- 0779US7202439B2Small-hole electrical discharge machining device and multiple diesinking-and-small-hole electrical discharge machining device, and method for multiple diesinking-and-small-hole electrical discharge machining with the same deviceELENIX INC·Filed 2004·Granted Apr 10, 2007·12 cites·10 claims
- 0879US6741356B1Method for detecting physical amount of object and optical apparatus using the sameOLYMPUS CORP·Filed 2000·Granted May 25, 2004·26 cites·24 claims
- 0978US4953959AObjective lens for optical disksOLYMPUS OPTICAL CO·Filed 1989·Granted Sep 4, 1990·38 cites·8 claims
- 1077US8259167B2Scattering medium internal observation apparatus, image pickup system, image pickup method and endoscope apparatusISHIWATA HIROSHI·Filed 2008·Granted Sep 4, 2012·20 cites·80 claims
- 1176US4730586AFuel injection apparatus for internal combustion enginesDIESEL KIKI CO·Filed 1986·Granted Mar 15, 1988·22 cites·16 claims
- 1275US7564622B2Methods for implement microscopy and microscopic measurement as well as microscope and apparatus for implementing themOLYMPUS CORP·Filed 2004·Granted Jul 21, 2009·13 cites·20 claims
- 1371US5566921ASolenoid valveZEXEL CORP·Filed 1994·Granted Oct 22, 1996·27 cites·18 claims
- 1470US9594941B2Phase distribution measurement method and phase distribution measurement apparatusOLYMPUS CORP·Filed 2014·Granted Mar 14, 2017·1 cites·20 claims
- 1570US6369375B1Detection apparatus having an object gradient detectionOLYMPUS OPTICAL CO·Filed 1999·Granted Apr 9, 2002·34 cites·21 claims
- 1669US10563177B2Evaluating a pluripotent stem cell based on a region of a phase distribution image having a phase amount less than a threshold phase amount of a mitochondrion in a somatic cellOLYMPUS CORP·Filed 2017·Granted Feb 18, 2020·1 cites·15 claims
- 1769US5808791AMicroscope apparatusOLYMPUS OPTICAL CO·Filed 1995·Granted Sep 15, 1998·29 cites·25 claims
- 1868US9041788B2Method and apparatus for visualizing phase objectISHIWATA HIROSHI·Filed 2011·Granted May 26, 2015·2 cites·15 claims
- 1967US9995924B2Three-dimensional position information acquiring method and three-dimensional position information acquiring apparatusOLYMPUS CORP·Filed 2015·Granted Jun 12, 2018·1 cites·3 claims
- 2067US5357933AFuel injection deviceZEXEL CORP·Filed 1993·Granted Oct 25, 1994·23 cites·6 claims
- 2164US6031838AATM switching systemFUJITSU LTD·Filed 1997·Granted Feb 29, 2000·61 cites·7 claims
- 2262US5443047AFuel injection systemZEXEL CORP·Filed 1994·Granted Aug 22, 1995·22 cites·13 claims
- 2357US6806435B2Small hole electric discharge machine drill provided with depth-specific processing meansELENIX INC·Filed 2002·Granted Oct 19, 2004·6 cites·9 claims
- 2457US5482016APilot injection control systemZEXEL CORP·Filed 1994·Granted Jan 9, 1996·16 cites·14 claims
- 2556US5592915APilot injection controller in fuel injection system and method of controlling pilot injection quantityZEXEL CORP·Filed 1995·Granted Jan 14, 1997·18 cites·17 claims
- 2654US4737086AFuel injection pump having variable prestroke mechanismDIESEL KIKI CO·Filed 1986·Granted Apr 12, 1988·13 cites·8 claims
- 2751US6323998B1Microscope apparatusOLYMPUS OPTICAL CO·Filed 1998·Granted Nov 27, 2001·13 cites·21 claims
- 2849US2009201580A1Methods for implement microscopy and microscopic measurement as well as microscope and apparatus for implementing themISHIWATA HIROSHI·Filed 2009·Application pending·0 cites
- 2947US10884230B2Phase object visualization apparatus and phase object visualization methodOLYMPUS CORP·Filed 2017·Granted Jan 5, 2021·0 cites·7 claims
- 3047US5460132AFuel injection pump and prestroke controller thereforZEXEL CORP·Filed 1994·Granted Oct 24, 1995·10 cites·25 claims
- 3146US2007027362A1Infrared observation systemOLYMPUS MEDICAL SYSTEMS CORP·Filed 2006·Application pending·0 cites
- 3245US2015185460A1Image forming method and image forming apparatusOLYMPUS CORP·Filed 2014·Application pending·0 cites
- 3343US10775603B2Phase distribution calculation method, evaluation method, and image processing deviceOLYMPUS CORP·Filed 2018·Granted Sep 15, 2020·0 cites·9 claims
- 3440US10254525B2Phase contrast microscopeOLYMPUS CORP·Filed 2015·Granted Apr 9, 2019·0 cites·6 claims
- 3539US4902113AObjective lens and imaging optical system for optical information recording and readout deviceOLYMPUS OPTICAL CO·Filed 1989·Granted Feb 20, 1990·7 cites·4 claims
- 3635US5080564APrestroke control device for fuel injection pumpsDIESEL KIKI CO·Filed 1990·Granted Jan 14, 1992·5 cites·4 claims
- 3732US5642715ADistributor type fuel injection pumpZEXEL CORP·Filed 1996·Granted Jul 1, 1997·4 cites·13 claims
- 3831US5647323AFuel injection systemZEXEL CORP·Filed 1996·Granted Jul 15, 1997·4 cites·14 claims
- 3930US6430157B1Communication controlling apparatusFUJITSU LTD·Filed 1998·Granted Aug 6, 2002·3 cites·3 claims
- 4026US5617830APrestroke controller for engine fuel injection pumpZEXEL CORP·Filed 1995·Granted Apr 8, 1997·4 cites·20 claims
- 4125US5915360ASpill control apparatus for fuel injection systemZEXEL CORP·Filed 1998·Granted Jun 29, 1999·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →