Inventor · disambiguated record
Hisashi Okada
Also filed as: OKADA HISASHI
102 granted patents·8 pending applications·2,119 citations·filing 1978–2018
99Inventor score
Files withFUJI PHOTO FILM CO LTD77FUJIFILM CORP13OKADA HISASHI5NIPPON MUSICAL INSTRUMENTS MFG3FUJITSU HITACHI PLASMA DISPLAY2
Top patents by PatentIndex Score
110 records- 0199US6528187B1Material for luminescence element and luminescence element using the sameFUJI PHOTO FILM CO LTD·Filed 1999·Granted Mar 4, 2003·884 cites·7 claims
- 0297US5958668ARecording materialFUJI PHOTO FILM CO LTD·Filed 1997·Granted Sep 28, 1999·68 cites·4 claims
- 0396US6656612B2Heterocyclic compounds, materials for light emitting devices and light emitting devices using the sameFUJI PHOTO FILM CO LTD·Filed 2002·Granted Dec 2, 2003·129 cites·25 claims
- 0495US6120983APhotothermographic material, novel 2,3-dihydrothiazole derivative, and photographic silver halide photosensitive materialFUJI PHOTO FILM CO LTD·Filed 1997·Granted Sep 19, 2000·29 cites·11 claims
- 0595US5922529APhotothermographic materialFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jul 13, 1999·31 cites·11 claims
- 0695US5656419AHeat-developable photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1996·Granted Aug 12, 1997·28 cites·20 claims
- 0795US5196291ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted Mar 23, 1993·33 cites·6 claims
- 0894US5139921AProcess for forming super high contrast negative imagesFUJI PHOTO FILM CO LTD·Filed 1991·Granted Aug 18, 1992·28 cites·11 claims
- 0993US6132949APhotothermographic materialFUJI PHOTO FILM CO LTD·Filed 1997·Granted Oct 17, 2000·24 cites·20 claims
- 1092US7632579B2Light emitting element and azole compoundFUJIFILM CORP·Filed 2005·Granted Dec 15, 2009·18 cites·52 claims
- 1191US5952167APhotothermographic materialsFUJI PHOTO FILM CO LTD·Filed 1997·Granted Sep 14, 1999·18 cites·18 claims
- 1291US5250401AProcessing composition for silver halide color photographic material and processing process including that compositionFUJI PHOTO FILM CO LTD·Filed 1991·Granted Oct 5, 1993·23 cites·19 claims
- 1391US4971890ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1989·Granted Nov 20, 1990·24 cites·14 claims
- 1489US6620529B1Materials for light emitting devices and light emitting devices using the sameFUJI PHOTO FILM CO LTD·Filed 2000·Granted Sep 16, 2003·40 cites·31 claims
- 1587US4965169AMethod for forming a high contrast negative imageFUJI PHOTO FILM CO LTD·Filed 1988·Granted Oct 23, 1990·20 cites·21 claims
- 1686US6461747B1Heterocyclic compounds, materials for light emitting devices and light emitting devices using the sameFUJI PHOTO FILM CO LTD·Filed 2000·Granted Oct 8, 2002·46 cites·11 claims
- 1784US7838131B2Light emitting element and azole compoundFUJIFILM CORP·Filed 2009·Granted Nov 23, 2010·6 cites·38 claims
- 1884US6824891B2Light-emitting device and material thereforFUJI PHOTO FILM CO LTD·Filed 2001·Granted Nov 30, 2004·28 cites·28 claims
- 1982US6962755B2Light emitting element and azole compoundFUJI PHOTO FILM CO LTD·Filed 2001·Granted Nov 8, 2005·28 cites·19 claims
- 2082US5134055ASilver halide photographic materialsFUJI PHOTO FILM CO LTD·Filed 1990·Granted Jul 28, 1992·12 cites·6 claims
- 2179US5547817APhotographic processing using a novel chelating complexFUJI PHOTO FILM CO LTD·Filed 1995·Granted Aug 20, 1996·19 cites·6 claims
- 2279US5188927AComposition and process for the processing of silver halide color photographic materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted Feb 23, 1993·15 cites·20 claims
- 2379US5006445ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1989·Granted Apr 9, 1991·14 cites·12 claims
- 2479US4914002ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1988·Granted Apr 3, 1990·15 cites·20 claims
- 2578US6835474B2Methine compound, material for organic luminescence element, and organic luminescence element using the sameFUJI PHOTO FILM CO LTD·Filed 2002·Granted Dec 28, 2004·5 cites·11 claims
- 2678US5298370AMethod of processing silver halide color photographic material and photographic bleach-fixing compositionFUJI PHOTO FILM CO LTD·Filed 1992·Granted Mar 29, 1994·11 cites·6 claims
- 2778US5250402APhotographic bleaching composition and a processing method therewithFUJI PHOTO FILM CO LTD·Filed 1992·Granted Oct 5, 1993·10 cites·9 claims
- 2877US6551723B1Organic electroluminescence element material and organic electroluminescence element comprising sameFUJI PHOTO FILM CO LTD·Filed 1999·Granted Apr 22, 2003·53 cites·14 claims
- 2977US6358634B1Nitrogen-containing heterocyclic compound, organic light-emitting device material and organic light-emitting deviceFUJI PHOTO FILM CO LTD·Filed 2000·Granted Mar 19, 2002·34 cites·20 claims
- 3077US6194090B1Organic electroluminescence device material and organic electroluminescence device using the sameFUJI PHOTO FILM CO LTD·Filed 1998·Granted Feb 27, 2001·53 cites·20 claims
- 3177US6074813APolyhalomethane compound and photosensitive materialFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jun 13, 2000·8 cites·13 claims
- 3276US6818325B2Light-emitting deviceFUJI PHOTO FILM CO LTD·Filed 2001·Granted Nov 16, 2004·23 cites·16 claims
- 3376US5217855AProcessing composition for silver halide color photographic material and processing methodFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jun 8, 1993·9 cites·6 claims
- 3475US6440586B1Benzopyran compound, material for luminous device, and luminous device using the sameFUJI PHOTO FILM CO LTD·Filed 2000·Granted Aug 27, 2002·7 cites·4 claims
- 3575US5409804APhotographic processing composition and processing methodFUJI PHOTO FILM CO LTD·Filed 1994·Granted Apr 25, 1995·9 cites·11 claims
- 3673US10415637B2Mast space of helicopter, driving power transmission device of helicopter including mast spacer, and helicopterKAWASAKI HEAVY IND LTD·Filed 2016·Granted Sep 17, 2019·2 cites·10 claims
- 3773US5869229APhotothermographic materialFUJI PHOTO FILM CO LTD·Filed 1997·Granted Feb 9, 1999·8 cites·20 claims
- 3873US5223379AProcessing compositions for silver halide color photographic materials and method for processing the same materialsFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jun 29, 1993·9 cites·17 claims
- 3972US6458474B1Methine compound, material for organic luminescence element, organic luminescence element using the sameFUJI PHOTO FILM CO LTD·Filed 1999·Granted Oct 1, 2002·10 cites·16 claims
- 4072US5352567AMethod for processing silver halide color photographic material using composition having a bleaching abilityFUJI PHOTO FILM CO LTD·Filed 1992·Granted Oct 4, 1994·8 cites·8 claims
- 4171US7839078B2Organic electroluminescent element having a luminescent layer and a buffer layer adjacent theretoFUJIFILM CORP·Filed 2006·Granted Nov 23, 2010·11 cites·20 claims
- 4270US7628492B2Projection display with direct light source cooling meansSANYO ELECTRIC CO·Filed 2006·Granted Dec 8, 2009·8 cites·6 claims
- 4368US7727640B2Organic electroluminescent elementFUJIFILM CORP·Filed 2005·Granted Jun 1, 2010·4 cites·19 claims
- 4468US5449507AProcesses for producing graphite blocks from graphitizable organic polymers and process for carbonizing graphitizable polymer filmsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Sep 12, 1995·20 cites·18 claims
- 4568US5100761ASilver halide photographic materialsFUJI PHOTO FILM CO LTD·Filed 1988·Granted Mar 31, 1992·8 cites·23 claims
- 4667US4851321ASuperhigh contrast negative-type silver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jul 25, 1989·26 cites·8 claims
- 4766US5618652AImage formation method by silver salt diffusion transferFUJI PHOTO FILM CO LTD·Filed 1996·Granted Apr 8, 1997·5 cites·2 claims
- 4865US4952483ADirect positive silver halide photosensitive material and method for forming direct positive imageFUJI PHOTO FILM CO LTD·Filed 1988·Granted Aug 28, 1990·10 cites·6 claims
- 4964US7754346B2Organic electroluminescent deviceFUJIFILM CORP·Filed 2005·Granted Jul 13, 2010·2 cites·15 claims
- 5064US7118811B2Materials for light emitting devices consisting of novel compounds and light emitting devices using the sameFUJI PHOTO FILM CO LTD·Filed 2003·Granted Oct 10, 2006·6 cites·18 claims
Showing the top 50 of 110 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →