Inventor · disambiguated record
Yoshiaki Tsubata
Also filed as: TSUBATA YOSHIAKI
23 granted patents·9 pending applications·173 citations·filing 1994–2021
94Inventor score
Top patents by PatentIndex Score
32 records- 0188US6444334B1Polymeric fluorescent substance and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Sep 3, 2002·55 cites·43 claims
- 0284US6830832B2Polymer compound and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Dec 14, 2004·22 cites·20 claims
- 0380US8263735B2Polymer compound and polymer light-emitting device using the sameKITANO MAKOTO·Filed 2010·Granted Sep 11, 2012·4 cites·16 claims
- 0480US6696180B2Polymeric fluorescent substance, production method thereof, and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Feb 24, 2004·25 cites·44 claims
- 0574US6720091B2Polymeric fluorescent substance, polymeric fluorescent substance and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Apr 13, 2004·18 cites·58 claims
- 0673US8519092B2Polymer compound and polymer light-emitting device using the sameKITANO MAKOTO·Filed 2012·Granted Aug 27, 2013·2 cites·19 claims
- 0769US7208567B2Polymer compound and polymer light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Apr 24, 2007·11 cites·57 claims
- 0865US9966532B2Dendrimer compound and organic luminescent device employing the sameSUMITOMO CHEMICAL CO·Filed 2014·Granted May 8, 2018·0 cites·11 claims
- 0964US7255936B2Polymeric fluorescent substance and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Aug 14, 2007·8 cites·27 claims
- 1062US2008103278A1New polymer and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 1160US10854818B2Dendrimer compound and organic luminescent device employing the sameSUMITOMO CHEMICAL CO·Filed 2018·Granted Dec 1, 2020·0 cites·18 claims
- 1260US7772360B2Polymer compound and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Aug 10, 2010·6 cites·18 claims
- 1358US6875895B2Bis (diphenylvinyl) arene compoundSUMITOMO CHEMICAL CO·Filed 2002·Granted Apr 5, 2005·2 cites·5 claims
- 1454US8513877B2Anthracene polymer compound and light emitting device using the sameFUKUSHIMA DAISUKE·Filed 2008·Granted Aug 20, 2013·0 cites·28 claims
- 1553US7662478B2Polymer and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2004·Granted Feb 16, 2010·2 cites·26 claims
- 1649US2010109517A1Pyrene polymer compound and light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 1747US8728631B2Dendrimer compound and organic luminescent device employing the sameKITANO MAKOTO·Filed 2004·Granted May 20, 2014·2 cites·27 claims
- 1845US2003168656A1New polymer and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2002·Application pending·0 cites
- 1945US2010176377A1Polymeric compound and polymeric electroluminescence element using the sameSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 2044US2024141199A1Chemical compound, electrooptic composition, electrooptic film, and electrooptic elementSUMITOMO CHEMICAL CO·Filed 2021·Application pending·0 cites
- 2144US2019341560A1Light emitting device, and metal complex and composition used in sameSUMITOMO CHEMICAL CO·Filed 2017·Application pending·0 cites
- 2241US11339134B2Composition and light emitting element device using the sameSUMITOMO CHEMICAL CO·Filed 2016·Granted May 24, 2022·0 cites·13 claims
- 2340US2007103059A1Composition and polymer light-emitting deviceSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 2439US7357990B2Polymeric fluorescent material, process for producing the same, and polymeric luminiscent elementSUMITOMO CHEMICAL CO·Filed 2001·Granted Apr 15, 2008·0 cites·17 claims
- 2539US7125930B2Block copolymer and polymeric luminescent elementSUMITOMO CHEMICAL CO·Filed 2002·Granted Oct 24, 2006·0 cites·28 claims
- 2639US5866035ALiquid crystal mixture and liquid crystal device comprising the sameSUMITOMO CHEMICAL CO·Filed 1996·Granted Feb 2, 1999·5 cites·15 claims
- 2739US5662828ACompound having unsaturated side chain, process for preparing the same, liquid crystalline polymer prepared from the same, liquid crystal mixture and display elementSUMITOMO CHEMICAL CO·Filed 1995·Granted Sep 2, 1997·5 cites·12 claims
- 2837US7701129B2Polymeric fluorescent substance and polymer light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Apr 20, 2010·0 cites·13 claims
- 2937US2008274303A1Polymer Compound and Polymer Light Emitting Device Using the SameAGATA KATSUMI·Filed 2005·Application pending·0 cites
- 3035US5762825ALiquid crystal mixture and liquid crystal device comprising the sameSUMITOMO CHEMICAL CO·Filed 1995·Granted Jun 9, 1998·3 cites·20 claims
- 3135US5554317ACompound having unsaturated side chain, process for preparing the same, liquid crystalline polymer prepared from the same, liquid crystal mixture and display elementSUMITOMO CHEMICAL CO·Filed 1994·Granted Sep 10, 1996·3 cites·7 claims
- 3234US2017117491A1Light emitting device and composition used in the sameSUMITOMO CHEMICAL CO·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →