Inventor · disambiguated record
Rika Matsumoto
Also filed as: MATSUMOTO RIKA
15 granted patents·7 pending applications·15 citations·filing 2003–2023
86Inventor score
Files withMATSUMOTO RIKA9NIPPON CATALYTIC CHEM IND5PROCTER & GAMBLE3ASAHI KASEI CHEMICALS CORP2YAGINUMA YOSHIHITO2
Top patents by PatentIndex Score
22 records- 0193US9809784B2Laundry detergents and cleaning compositions comprising sulfonate group-containing polymersPROCTER & GAMBLE·Filed 2015·Granted Nov 7, 2017·11 cites·23 claims
- 0284USRE45810EProcess for producing spherical base granule comprising easily water-soluble drugASAHI KASEI CHEMICALS CORP·Filed 2007·Granted Nov 24, 2015·3 cites·6 claims
- 0376US9095512B2Method for producing spherical base granules comprising hardly water-soluble drugYAGINUMA YOSHIHITO·Filed 2007·Granted Aug 4, 2015·1 cites·14 claims
- 0467US2020392270A1Sulfonate group-containing polymer and method of producing the sameNIPPON CATALYTIC CHEM IND·Filed 2020·Application pending·0 cites
- 0566US8568785B2Process for producing spherical base granule comprising easily water-soluble drugYAGINUMA YOSHIHITO·Filed 2007·Granted Oct 29, 2013·0 cites·6 claims
- 0664USPP32683P3Verbena plant named ‘RIKAV52102’MATSUMOTO RIKA·Filed 2020·Granted Dec 22, 2020·0 cites·1 claims
- 0763USPP30962P2Verbena plant named ‘RIKAV44101’MATSUMOTO RIKA·Filed 2018·Granted Oct 22, 2019·0 cites·1 claims
- 0863USPP30899P2Verbena plant named ‘RIKAV45801’MATSUMOTO RIKA·Filed 2018·Granted Sep 24, 2019·0 cites·1 claims
- 0963USPP30898P2Verbena plant named ‘RIKAV44501’MATSUMOTO RIKA·Filed 2018·Granted Sep 24, 2019·0 cites·1 claims
- 1062US2025297047A1Amino-group-containing copolymerNIPPON CATALYTIC CHEM IND·Filed 2023·Application pending·0 cites
- 1157US10766991B2Sulfonate group-containing polymer and method of producing the sameNIPPON CATALYTIC CHEM IND·Filed 2014·Granted Sep 8, 2020·0 cites·6 claims
- 1257USPP29063P3Verbena plant named ‘RIKAV36504’MATSUMOTO RIKA·Filed 2016·Granted Mar 6, 2018·0 cites·1 claims
- 1357USPP29013P3Verbena plant named ‘RIKAV38602’MATSUMOTO RIKA·Filed 2016·Granted Feb 27, 2018·0 cites·1 claims
- 1456US2009196934A1Spherical elementary granule and method for production thereofASAHI KASEI CHEMICALS CORP·Filed 2007·Application pending·0 cites
- 1549US2021009739A1(meth)acrylic acid copolymer-containing composition and method for producing (meth)acrylic acid copolymerNIPPON CATALYTIC CHEM IND·Filed 2019·Application pending·0 cites
- 1643US2018057626A1CopolymerNIPPON CATALYTIC CHEM IND·Filed 2016·Application pending·0 cites
- 1741US7531346B2Decolorized yeast cell wall fractionKIRIN BREWERY·Filed 2003·Granted May 12, 2009·0 cites·7 claims
- 1841US2016090554A1Cleaning compositions comprising alkoxylated polyalkyleneimines and sulfonate group-containing copolymersPROCTER & GAMBLE·Filed 2015·Application pending·0 cites
- 1941US2017081613A1Cleaning compositions comprising amphiphilic graft copolymers and sulfonate group-containing copolymersPROCTER & GAMBLE·Filed 2015·Application pending·0 cites
- 2038USPP34411P2Verbena plant named ‘WNVECPPUR’MATSUMOTO RIKA·Filed 2021·Granted Jul 5, 2022·0 cites·1 claims
- 2138USPP34382P2Verbena plant named ‘WNVECPPK’MATSUMOTO RIKA·Filed 2021·Granted Jun 28, 2022·0 cites·1 claims
- 2236USPP34052P2Evolvulus plant named ‘RMEVO28301’MATSUMOTO RIKA·Filed 2021·Granted Mar 22, 2022·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →