Inventor · disambiguated record
Hiroshi Ohki
Also filed as: KOJIMA CHIAKI · OHKI HIROSHI · YANAGISAWA YUZURU
67 granted patents·13 pending applications·2,523 citations·filing 1976–2021
99Inventor score
Top patents by PatentIndex Score
80 records- 0198US5007732AFlow-cell deviceHITACHI LTD·Filed 1988·Granted Apr 16, 1991·223 cites·9 claims
- 0297US4983038ASheath flow type flow-cell deviceHITACHI LTD·Filed 1988·Granted Jan 8, 1991·273 cites·18 claims
- 0396US6650061B1Electron-source array and manufacturing method thereof as well as driving method for electron-source arraySHARP KK·Filed 2000·Granted Nov 18, 2003·89 cites·21 claims
- 0495US6545396B1Image forming device using field emission electron source arraysSHARP KK·Filed 2000·Granted Apr 8, 2003·69 cites·10 claims
- 0595US5708652AMulti-layer recording medium and method for producing sameSONY CORP·Filed 1996·Granted Jan 13, 1998·99 cites·17 claims
- 0695US5690895AFlow cell apparatusHITACHI LTD·Filed 1996·Granted Nov 25, 1997·189 cites·51 claims
- 0795US5079959AAnalyzing system using sheath flow of sampleHITACHI LTD·Filed 1989·Granted Jan 14, 1992·163 cites·22 claims
- 0895US5023054ABlood filter and apparatus for hemorheological measurementHITACHI LTD·Filed 1989·Granted Jun 11, 1991·113 cites·12 claims
- 0995US4458980AOptical reproducing headSONY CORP·Filed 1980·Granted Jul 10, 1984·56 cites·2 claims
- 1095US4150398ALinear method of optically recording a video or other signalSONY CORP·Filed 1976·Granted Apr 17, 1979·54 cites·10 claims
- 1193US7968474B2Methods for nanowire alignment and depositionNANOSYS INC·Filed 2007·Granted Jun 28, 2011·27 cites·42 claims
- 1292US8772130B2Manufacturing method of SOI substrateOHKI HIROSHI·Filed 2012·Granted Jul 8, 2014·17 cites·15 claims
- 1392US5214622AInformation display apparatusHITACHI LTD·Filed 1991·Granted May 25, 1993·132 cites·13 claims
- 1491US8252164B2Methods for nanowire alignment and depositionMARTIN SAMUEL·Filed 2011·Granted Aug 28, 2012·17 cites·36 claims
- 1590US4482986AObjective lens mount for optical disc playerSONY CORP·Filed 1982·Granted Nov 13, 1984·46 cites·15 claims
- 1690US4253723AApparatus for optically reading information from a record carrierSONY CORP·Filed 1977·Granted Mar 3, 1981·61 cites·6 claims
- 1787US5880835AApparatus for investigating particles in a fluid, and a method of operation thereofHITACHI LTD·Filed 1996·Granted Mar 9, 1999·85 cites·10 claims
- 1887US5270212ACell analysis apparatusHITACHI LTD·Filed 1992·Granted Dec 14, 1993·61 cites·14 claims
- 1987US5122653AConfocal type laser scan microscope with integrated illumination, detection and waveguide systemNIKON CORP·Filed 1990·Granted Jun 16, 1992·75 cites·10 claims
- 2086US10026768B2Detector, detector with lock-in amplifier, substrate, and method for manufacturing a detectorNIKON CORP·Filed 2016·Granted Jul 17, 2018·5 cites·23 claims
- 2186US4652218ACanned motor pump for use at high temperaturesNIKKISO CO LTD·Filed 1985·Granted Mar 24, 1987·61 cites·13 claims
- 2283US9507138B2Microscope systemOHKI HIROSHI·Filed 2011·Granted Nov 29, 2016·6 cites·16 claims
- 2383US6270611B1Multi-layer recording medium and method for producing sameSONY CORP·Filed 1997·Granted Aug 7, 2001·32 cites·8 claims
- 2483US6111851AOptical recording medium and method of manufacturing sameSONY CORP·Filed 1996·Granted Aug 29, 2000·34 cites·14 claims
- 2581US5174162APipetter, pipette tube, sample analyzing apparatus including them and method of mixing and pipetting liquidsHITACHI LTD·Filed 1990·Granted Dec 29, 1992·57 cites·12 claims
- 2680US5142140AApparatus for counting particles suspended in a fluid having a polarizing beam splitterHITACHI LTD·Filed 1990·Granted Aug 25, 1992·50 cites·20 claims
- 2780US4157568AMethod and apparatus for optically reproducing a rotatable record with a scanning light beam of changing sizeSONY CORP·Filed 1977·Granted Jun 5, 1979·19 cites·18 claims
- 2878US4476555ATracking servo apparatus for an optical information reproducing systemSONY CORP·Filed 1983·Granted Oct 9, 1984·22 cites·10 claims
- 2977US4142210ARotatable record carrier and method and apparatus for producing sameSONY CORP·Filed 1977·Granted Feb 27, 1979·17 cites·20 claims
- 3076US10261304B2Structured illuminating microscopy apparatusNIKON CORP·Filed 2015·Granted Apr 16, 2019·2 cites·1 claims
- 3174US5428342AAnalyzing system for operating condition of electrical apparatusHITACHI LTD·Filed 1992·Granted Jun 27, 1995·49 cites·17 claims
- 3273US5452382AOptical waveguide device and optical microscope using the sameNIKON CORP·Filed 1994·Granted Sep 19, 1995·38 cites·28 claims
- 3373US4152726ARecord disk and method for producing the same with constant width grooveSONY CORP·Filed 1976·Granted May 1, 1979·15 cites·7 claims
- 3470US6333914B1Optical recording medium and method of manufacturing sameSONY CORP·Filed 2000·Granted Dec 25, 2001·6 cites·13 claims
- 3569US4312559AMethod of producing an inline hologram lensSONY CORP·Filed 1980·Granted Jan 26, 1982·25 cites·13 claims
- 3668US9754980B2Photoelectric conversion element and imaging deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Sep 5, 2017·1 cites·22 claims
- 3768US2022050283A1Structured illuminating microscopy apparatusNIKON CORP·Filed 2021·Application pending·0 cites
- 3866US5612818AConfocal microscopeNIKON CORP·Filed 1994·Granted Mar 18, 1997·31 cites·7 claims
- 3964US7375366B2Carbon nanotube and method for producing the same, electron source and method for producing the same, and displaySHARP KK·Filed 2001·Granted May 20, 2008·13 cites·10 claims
- 4063US7879701B2Manufacturing method of semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Feb 1, 2011·2 cites·24 claims
- 4162US5346137AElectromagnetic fuel injection valveHITACHI LTD·Filed 1993·Granted Sep 13, 1994·19 cites·27 claims
- 4261US11187883B2Structured illuminating microscopy apparatusNIKON CORP·Filed 2019·Granted Nov 30, 2021·0 cites·9 claims
- 4361US7423285B2Wire cross-point fet structureSHARP KK·Filed 2006·Granted Sep 9, 2008·6 cites·13 claims
- 4460US8419916B2Biological molecule separation apparatusSAKAIRI KOJI·Filed 2011·Granted Apr 16, 2013·1 cites·6 claims
- 4560US7977222B2Manufacturing method of semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2010·Granted Jul 12, 2011·1 cites·12 claims
- 4660US5008521AReproducing apparatus for an optical recording mediumSONY CORP·Filed 1989·Granted Apr 16, 1991·11 cites·11 claims
- 4759US5130521AOptical card recording apparatusSONY CORP·Filed 1987·Granted Jul 14, 1992·11 cites·12 claims
- 4858US6723932B2Water immersed electrical switch and method for preparation thereofSONY CORP·Filed 2002·Granted Apr 20, 2004·2 cites·46 claims
- 4957US5166537AParticle analyzing method and device for realizing sameHITACHI LTD·Filed 1990·Granted Nov 24, 1992·20 cites·9 claims
- 5056US7504765B2Piezoelectric transformer and the method for manufacturing the sameSHARP KK·Filed 2006·Granted Mar 17, 2009·1 cites·6 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →