Inventor · disambiguated record
Yasuchika Hasegawa
Also filed as: HASEGAWA YASUCHIKA
16 granted patents·9 pending applications·26 citations·filing 1998–2020
89Inventor score
Files withUNIV HOKKAIDO NAT UNIV CORP9HASEGAWA YASUCHIKA7DAINIPPON INK & CHEMICALS1DAINIPPON PRINTING CO LTD1JAPAN SCIENCE & TECH AGENCY1
Top patents by PatentIndex Score
25 records- 0187US10745614B2Rare-earth complex polymerUNIV HOKKAIDO NAT UNIV CORP·Filed 2017·Granted Aug 18, 2020·3 cites·4 claims
- 0284US11499093B2Rare earth complex and light emitting elementUNIV HOKKAIDO NAT UNIV CORP·Filed 2018·Granted Nov 15, 2022·3 cites·5 claims
- 0376US8975385B2Rare-earth complex and uses thereofHASEGAWA YASUCHIKA·Filed 2010·Granted Mar 10, 2015·4 cites·4 claims
- 0471US8545807B2Near infrared high emission rare-earth complexHASEGAWA YASUCHIKA·Filed 2009·Granted Oct 1, 2013·2 cites·4 claims
- 0571US7796242B2Information identification device, information identification method, and information identification systemNAT UNIV CORP NARA INST·Filed 2006·Granted Sep 14, 2010·4 cites·12 claims
- 0668US10399999B2Polymer complex and production process thereforUNIV HOKKAIDO NAT UNIV CORP·Filed 2016·Granted Sep 3, 2019·1 cites·13 claims
- 0768US9051427B2Rare-earth complex polymer and plastic molded productHASEGAWA YASUCHIKA·Filed 2012·Granted Jun 9, 2015·2 cites·4 claims
- 0862US8674116B2Metal complex and use thereofKAWAI TSUYOSHI·Filed 2010·Granted Mar 18, 2014·1 cites·7 claims
- 0961US7122163B2Rare-earth oxide or sulfide of nano size and process for producing the same through photochemical reactionJAPAN SCIENCE & TECH AGENCY·Filed 2001·Granted Oct 17, 2006·2 cites·3 claims
- 1060US12291545B2Rare earth complex, rare earth complex solution, luminescent molded article, method for producing luminescent product, luminescent sheet, and vinyl greenhouse for agricultureUNIV HOKKAIDO NAT UNIV CORP·Filed 2020·Granted May 6, 2025·0 cites·12 claims
- 1151US9280002B2Thin film and nanocrystals of europium(II) compound doped with metal ionsHASEGAWA YASUCHIKA·Filed 2012·Granted Mar 8, 2016·0 cites·10 claims
- 1249US2012190123A1Structural analysis device and structural analysis methodHASEGAWA YASUCHIKA·Filed 2009·Application pending·0 cites
- 1348US10329480B2Sheet integrated rare earth complex and use thereofUNIV HOKKAIDO NAT UNIV CORP·Filed 2014·Granted Jun 25, 2019·0 cites·12 claims
- 1448US6300481B1Rare earth complexesNEW JAPAN CHEM CO LTD·Filed 1998·Granted Oct 9, 2001·4 cites·6 claims
- 1548US2020377748A1Ink composition, printed matter, and authenticity determination methodDAINIPPON PRINTING CO LTD·Filed 2018·Application pending·0 cites
- 1646US2016204363A1Thin film for organic el device and manufacturing method thereofUNIV HOKKAIDO NAT UNIV CORP·Filed 2014·Application pending·0 cites
- 1745US12312369B2Rare-earth complex, light-emitting material, light-emitting object, light-emitting device, interlayer for laminated glass, laminated glass, windshield for vehicle, wavelength conversion material, and security materialUNIV HOKKAIDO NAT UNIV CORP·Filed 2019·Granted May 27, 2025·0 cites·14 claims
- 1845US9261718B2Composite thin film and composite nanocrystals containing europium (II) compound and metalHASEGAWA YASUCHIKA·Filed 2012·Granted Feb 16, 2016·0 cites·20 claims
- 1945US8182774B2Eu(III) complex and nanosized EuSe crystal obtained therefromHASEGAWA YASUCHIKA·Filed 2007·Granted May 22, 2012·0 cites·8 claims
- 2044US2022089942A1Rare earth compound, phosphine oxide compound, and luminescent bodyUNIV HOKKAIDO NAT UNIV CORP·Filed 2019·Application pending·0 cites
- 2143US2021130378A1Phosphine oxide compound, rare earth complex, and light-emitting materialUNIV HOKKAIDO NAT UNIV CORP·Filed 2018·Application pending·0 cites
- 2239US2008171858A1Optically Active Rare Earth Complex Having Circularly Polarized LuminescenceDAINIPPON INK & CHEMICALS·Filed 2004·Application pending·0 cites
- 2339US2007166836A1Rare earth complex excellent in thermal resistanceMANSEKI KAZUHIRO·Filed 2004·Application pending·0 cites
- 2436US2004137265A1Light emitting apparatusFiled 2002·Application pending·0 cites
- 2532US2005261264A1Rare-earth ternary complexYANAGIDA SHOZO·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →