Inventor · disambiguated record
Shigeki Hamamoto
Also filed as: HAMAMOTO SHIGEKI
20 granted patents·1 pending application·110 citations·filing 1996–2015
93Inventor score
Top patents by PatentIndex Score
21 records- 0194US9266972B2Polyrotaxane compositionYAMASAKI TOMOAKI·Filed 2011·Granted Feb 23, 2016·15 cites·4 claims
- 0292US6979722B2Process for production of alkyllene oxide polymersSUMITOMO SEIKA CHEMICALS·Filed 2002·Granted Dec 27, 2005·43 cites·7 claims
- 0391US9068051B2Method for producing refined polyrotaxaneYAMASAKI TOMOAKI·Filed 2011·Granted Jun 30, 2015·11 cites·6 claims
- 0485US9409999B2Production method for hydrophilic modified polyrotaxaneYAMASAKI TOMOAKI·Filed 2011·Granted Aug 9, 2016·3 cites·5 claims
- 0577US9120901B2Method for producing pseudopolyrotaxaneYAMASAKI TOMOAKI·Filed 2011·Granted Sep 1, 2015·2 cites·9 claims
- 0675US9475908B2Method for producing pseudopolyrotaxane aqueous dispersionYAMASAKI TOMOAKI·Filed 2011·Granted Oct 25, 2016·2 cites·4 claims
- 0770US6869994B1Carboxylated polymer compositionSUMITOMO SEIKA CHEMICALS·Filed 2000·Granted Mar 22, 2005·11 cites·8 claims
- 0865US6933356B2Particles of carboxylated polymerSUMITOMO SEIKA CHEMICALS·Filed 2002·Granted Aug 23, 2005·7 cites·5 claims
- 0953US2008138366A1CosmeticsSUMITOMO SEIKA CHEMICALS·Filed 2006·Application pending·0 cites
- 1051US9150679B2Saponification product of vinyl ester/ethylenically unsaturated carboxylic acid ester copolymer and process for producing the sameYAMASAKI TOMOAKI·Filed 2012·Granted Oct 6, 2015·0 cites·17 claims
- 1149US9238696B2Production method for powdered hydrophilic modified polyrotaxaneYAMASAKI TOMOAKI·Filed 2011·Granted Jan 19, 2016·0 cites·4 claims
- 1248US9205104B2Hydrophilic modified polyrotaxane compositionYAMASAKI TOMOAKI·Filed 2011·Granted Dec 8, 2015·0 cites·6 claims
- 1347US9938382B2Method for producing pseudopolyrotaxaneYAMASAKI TOMOAKI·Filed 2011·Granted Apr 10, 2018·0 cites·7 claims
- 1447US5629395AProcess for producing cross-linked polymer containing carboxyl groupSUMITOMO SEIKA CHEMICALS·Filed 1996·Granted May 13, 1997·8 cites·5 claims
- 1543US9187580B2Resin particle having many recesses on the surface thereofHAMAMOTO SHIGEKI·Filed 2009·Granted Nov 17, 2015·0 cites·6 claims
- 1639US10233320B2Thermoplastic resin composition and resin molded articleUMG ABS LTD·Filed 2015·Granted Mar 19, 2019·0 cites·4 claims
- 1738US7390865B2Process for producing water-soluble carboxylated polymerSUMITOMO SEIKA CHEMICALS·Filed 2003·Granted Jun 24, 2008·0 cites·8 claims
- 1835US6599979B2Carboxylated polymer compositionSUMITOMO SEIKA CHEMICALS·Filed 1999·Granted Jul 29, 2003·3 cites·14 claims
- 1935US6084032ACarboxylated polymer compositionSUMITOMO SEIKA CHEMICALS·Filed 1996·Granted Jul 4, 2000·4 cites·5 claims
- 2034US8609754B2Flame-retardant thermoplastic resin composition and molded article thereofNAITO YOSHITAKA·Filed 2010·Granted Dec 17, 2013·0 cites·8 claims
- 2131US6235828B1Aqueous polymerization of acrylamide in the presence of polyvinylpyrrolidoneSUMITOMO SEIKA CHEMICALS·Filed 1998·Granted May 22, 2001·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →