Inventor · disambiguated record
Chihaya Adachi
Also filed as: ADACHI CHIHAYA
129 granted patents·49 pending applications·3,200 citations·filing 1989–2024
99Inventor score
Files withUNIV KYUSHU NAT UNIV CORP58KYULUX INC27RICOH KK20UNIV PRINCETON10HODOGAYA CHEMICAL CO LTD9
Top patents by PatentIndex Score
178 records- 0199US7553560B2Organometallic compounds and emission-shifting organic electrophosphorescenceUNIV PRINCETON·Filed 2008·Granted Jun 30, 2009·100 cites·5 claims
- 0299US7381479B2Organometallic compounds and emission-shifting organic electrophosphorescenceUNIV SOUTHERN CALIFORNIA·Filed 2005·Granted Jun 3, 2008·132 cites·9 claims
- 0397US6939624B2Organometallic compounds and emission-shifting organic electrophosphorescenceUNIV PRINCETON·Filed 2001·Granted Sep 6, 2005·179 cites·20 claims
- 0497US6645645B1Phosphorescent organic light emitting devicesUNIV PRINCETON·Filed 2000·Granted Nov 11, 2003·171 cites·22 claims
- 0597US5420288AElectroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compoundsRICOH KK·Filed 1993·Granted May 30, 1995·83 cites·41 claims
- 0697US5077142AElectroluminescent devicesRICOH KK·Filed 1990·Granted Dec 31, 1991·384 cites·5 claims
- 0796US6573651B2Highly efficient OLEDs using doped ambipolar conductive molecular organic thin filmsUNIV PRINCETON·Filed 2000·Granted Jun 3, 2003·118 cites·19 claims
- 0895US9153788B2Organic light-emitting device, and delayed fluorescent material and compound used thereforUNIV KYUSHU NAT UNIV CORP·Filed 2012·Granted Oct 6, 2015·16 cites·6 claims
- 0995US8993129B2Fluorescence and delayed fluorescence-type organic light-emitting material and elementENDO AYATAKA·Filed 2010·Granted Mar 31, 2015·185 cites·16 claims
- 1095US8129714B2Semiconductor, semiconductor device, complementary transistor circuit deviceYANO KOKI·Filed 2007·Granted Mar 6, 2012·29 cites·16 claims
- 1195US5942363AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1996·Granted Aug 24, 1999·72 cites·22 claims
- 1295US5846680AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1996·Granted Dec 8, 1998·70 cites·22 claims
- 1394US7288331B2Organic light emitting devices having carrier transporting layers comprising metal complexesUNIV PRINCETON·Filed 2006·Granted Oct 30, 2007·20 cites·20 claims
- 1494US6191249B1Electrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Feb 20, 2001·64 cites·22 claims
- 1594US5910561AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted Jun 8, 1999·60 cites·22 claims
- 1694US5840454AAromatic polycarbonate and electrophotographic photosensitive medium using sameRICOH KK·Filed 1996·Granted Nov 24, 1998·62 cites·15 claims
- 1794US5789128AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1996·Granted Aug 4, 1998·73 cites·28 claims
- 1893US9660199B2Compound, light-emitting material, and organic light-emitting deviceKYULUX INC·Filed 2013·Granted May 23, 2017·12 cites·14 claims
- 1993US6458475B1Organic light emitting diode having a blue phosphorescent molecule as an emitterTRUSTEE OF PRINCETON UNIVERSIT·Filed 1999·Granted Oct 1, 2002·173 cites·11 claims
- 2093US6069224AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted May 30, 2000·54 cites·28 claims
- 2193US5656401AElectroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compoundsRICOH KK·Filed 1994·Granted Aug 12, 1997·76 cites·21 claims
- 2292US6867538B2Double doped-layer, phosphorescent organic light emitting devicesUNIV PRINCETON·Filed 2002·Granted Mar 15, 2005·81 cites·44 claims
- 2391US9793492B2Compound, light emitter, and organic light emitting deviceUNIV KYUSHU NAT UNIV CORP·Filed 2014·Granted Oct 17, 2017·11 cites·10 claims
- 2491US9502668B2Organic light-emitting device, and light-emitting material and compound used thereforUNIV KYUSHU NAT UNIV CORP·Filed 2013·Granted Nov 22, 2016·12 cites·4 claims
- 2591US7429823B2Organic semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Sep 30, 2008·14 cites·12 claims
- 2691US6639357B1High efficiency transparent organic light emitting devicesUNIV PRINCETON·Filed 2000·Granted Oct 28, 2003·62 cites·15 claims
- 2791US5723243AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1996·Granted Mar 3, 1998·57 cites·44 claims
- 2891US5597925AMethod of producing oxadiazole compoundsRICOH KK·Filed 1995·Granted Jan 28, 1997·67 cites·2 claims
- 2991US5382477AOrganic electroluminescent element and process for producing the sameSANYO ELECTRIC CO·Filed 1992·Granted Jan 17, 1995·79 cites·68 claims
- 3090US10454038B2Delayed-fluorescence material and organic electroluminescence element using sameNAKAGAWA TETSUYA·Filed 2012·Granted Oct 22, 2019·10 cites·17 claims
- 3190US5610309AElectroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compoundsRICOH KK·Filed 1995·Granted Mar 11, 1997·63 cites·3 claims
- 3290US5085946AElectroluminescence deviceRICOH KK·Filed 1989·Granted Feb 4, 1992·66 cites·26 claims
- 3389US10563320B2Two-dimensional perovskite forming material, stacked structure, element, and transistorUNIV KYUSHU NAT UNIV CORP·Filed 2016·Granted Feb 18, 2020·3 cites·44 claims
- 3489US9685615B2Light emitting material, delayed fluorescent emitter, organic light emitting device, and compoundUNIV KYUSHU NAT UNIV CORP·Filed 2014·Granted Jun 20, 2017·8 cites·1 claims
- 3589US9660198B2Organic electroluminescence element and compound used thereinNAKAGAWA TETSUYA·Filed 2012·Granted May 23, 2017·13 cites·24 claims
- 3689US9634262B2Charge transport material, host material, thin film and organic light emitting elementUNIV KYUSHU NAT UNIV CORP·Filed 2014·Granted Apr 25, 2017·10 cites·7 claims
- 3789US6018014AAromatic polycarbonate and electrophotographic photosensitive medium using sameRICOH KK·Filed 1998·Granted Jan 25, 2000·41 cites·9 claims
- 3888US12096685B2Persistent luminescence emitterOKINAWA INST SCIENCE & TECH SCHOOL CORP·Filed 2022·Granted Sep 17, 2024·2 cites·17 claims
- 3988US11626710B2Current-injection organic semiconductor laser diode, method for producing same and programUNIV KYUSHU NAT UNIV CORP·Filed 2021·Granted Apr 11, 2023·1 cites·19 claims
- 4088US7868319B2Organic semiconductor device, display using same, and imagerUNIV KYOTO·Filed 2005·Granted Jan 11, 2011·13 cites·6 claims
- 4185US6885149B2High efficiency transparent organic light emitting devicesUNIV PRINCETON·Filed 2003·Granted Apr 26, 2005·34 cites·13 claims
- 4284US9783734B2Delayed fluorescence material and organic electroluminescence deviceADACHI CHIHAYA·Filed 2011·Granted Oct 10, 2017·7 cites·5 claims
- 4384US6900588B2Highly efficient OLEDs using doped ambipolar conductive molecular organic thin filmsUNIV PRINCETON·Filed 2003·Granted May 31, 2005·34 cites·20 claims
- 4483US10461261B2Compound, light emitting material, and organic light emitting deviceUNIV KYUSHU NAT UNIV CORP·Filed 2014·Granted Oct 29, 2019·3 cites·10 claims
- 4583US9818955B2Compound, light emitting material, and organic light emitting deviceUNIV KYUSHU NAT UNIV CORP·Filed 2014·Granted Nov 14, 2017·5 cites·8 claims
- 4683US8957236B2Compound and organic device employing sameZHANG QISHENG·Filed 2012·Granted Feb 17, 2015·6 cites·12 claims
- 4782US12015248B2Continuous-wave organic thin-film distributed feedback laser and electrically driven organic semiconductor laser diodeUNIV KYUSHU NAT UNIV CORP·Filed 2023·Granted Jun 18, 2024·0 cites·8 claims
- 4882US11955776B2Current-injection organic semiconductor laser diode, method for producing same and programUNIV KYUSHU NAT UNIV CORP·Filed 2023·Granted Apr 9, 2024·0 cites·19 claims
- 4982US11183815B2Current-injection organic semiconductor laser diode, meihod for producing same and programUNIV KYUSHU NAT UNIV CORP·Filed 2018·Granted Nov 23, 2021·2 cites·22 claims
- 5082US10600983B2Organic electroluminescent device comprising delayed fluorescent materialsUNIV KYUSHU NAT UNIV CORP·Filed 2014·Granted Mar 24, 2020·5 cites·17 claims
Showing the top 50 of 178 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →