Inventor · disambiguated record
Yoshiaki Kumamoto
Also filed as: KUMAMOTO YOSHIAKI
29 granted patents·12 pending applications·525 citations·filing 1995–2019
97Inventor score
Top patents by PatentIndex Score
41 records- 0196US7048975B1Pulp molded containerKAO CORP·Filed 2000·Granted May 23, 2006·103 cites·8 claims
- 0293US8029896B2Gas barrier materialKAO CORP·Filed 2008·Granted Oct 4, 2011·37 cites·9 claims
- 0388US9243128B2Composite materialKUMAMOTO YOSHIAKI·Filed 2010·Granted Jan 26, 2016·8 cites·6 claims
- 0485US10738169B2Resin compositionKAO CORP·Filed 2016·Granted Aug 11, 2020·2 cites·18 claims
- 0585US7370788B1Formed bodyKAO CORP·Filed 1999·Granted May 13, 2008·70 cites·7 claims
- 0684US10961425B2Viscous water-based compositionKAO CORP·Filed 2016·Granted Mar 30, 2021·2 cites·18 claims
- 0784US6468398B1Method of manufacturing pulp molded productKAO CORP·Filed 1999·Granted Oct 22, 2002·32 cites·12 claims
- 0882US7077933B2Pulp molded bodyKAO CORP·Filed 2001·Granted Jul 18, 2006·24 cites·22 claims
- 0982US6461480B1Method of manufacturing pulp mold formed productKAO CORP·Filed 1999·Granted Oct 8, 2002·38 cites·3 claims
- 1081US6645348B2Method for producing pulp molded articleKAO CORP·Filed 2002·Granted Nov 11, 2003·13 cites·35 claims
- 1179US10266968B2Micro cellulose fiber complexKAO CORP·Filed 2014·Granted Apr 23, 2019·2 cites·19 claims
- 1277US10093798B2Polyester resin compositionKAO CORP·Filed 2012·Granted Oct 9, 2018·2 cites·3 claims
- 1375US6810553B1Disposable brushKAO CORP·Filed 1999·Granted Nov 2, 2004·52 cites·34 claims
- 1475US6521085B2Pulp molded articleKAO CORP·Filed 2001·Granted Feb 18, 2003·15 cites·3 claims
- 1574US6547931B1Method of manufacturing pulp mold formed productKAO CORP·Filed 1999·Granted Apr 15, 2003·16 cites·18 claims
- 1673US6860461B1Mold for papermakingKAO CORP·Filed 2000·Granted Mar 1, 2005·10 cites·3 claims
- 1771US6830658B2Method for producing pulp molded articleKAO CORP·Filed 2003·Granted Dec 14, 2004·11 cites·12 claims
- 1871US2019194831A1Micro cellulose fiber complexKAO CORP·Filed 2019·Application pending·0 cites
- 1968US6841041B2Method for producing pulp molded articleKAO CORP·Filed 2003·Granted Jan 11, 2005·9 cites·20 claims
- 2068US2020048373A1Method for producing modified cellulose fibersKAO CORP·Filed 2018·Application pending·0 cites
- 2165US6974470B2Heat-generative, steam generation sheet for faceKAO CORP·Filed 2004·Granted Dec 13, 2005·40 cites·13 claims
- 2264US10781552B2Micro cellulose fiber complexKAO CORP·Filed 2014·Granted Sep 22, 2020·0 cites·18 claims
- 2362US11136416B2Rubber compositionKAO CORP·Filed 2016·Granted Oct 5, 2021·0 cites·19 claims
- 2458US2011281487A1Gas barrier molded article and method for producing the sameMUKAI KENTA·Filed 2009·Application pending·0 cites
- 2558US2012000392A1Suspension of cellulose fibers and method for producing the sameMUKAI KENTA·Filed 2009·Application pending·0 cites
- 2657US7749357B2Molded sheetKAO CORP·Filed 2003·Granted Jul 6, 2010·9 cites·19 claims
- 2757US2011262731A1Suspension of cellulose fibers, film and method for producing the sameKAO CORP·Filed 2009·Application pending·0 cites
- 2855US7625464B2Method for producing heat-generating formed productKAO CORP·Filed 2002·Granted Dec 1, 2009·3 cites·16 claims
- 2953US7353820B2Warming deviceKAO CORP·Filed 2004·Granted Apr 8, 2008·11 cites·9 claims
- 3053US2021130499A1Method for producing modified cellulose fiberKAO CORP·Filed 2018·Application pending·0 cites
- 3152US8256412B2Warming tool in a sheet formKUMAMOTO YOSHIAKI·Filed 2004·Granted Sep 4, 2012·11 cites·21 claims
- 3251US8197526B2Warming toolKUMAMOTO YOSHIAKI·Filed 2004·Granted Jun 12, 2012·4 cites·6 claims
- 3347US2009101867A1Heat generating element and precursor thereofKAO CORP·Filed 2006·Application pending·0 cites
- 3444US10906993B2Modified cellulose fibersKAO CORP·Filed 2016·Granted Feb 2, 2021·0 cites·16 claims
- 3544US8084139B2Article formed into sheet, method for producing the same and exothermic formed articleKUMAMOTO YOSHIAKI·Filed 2005·Granted Dec 27, 2011·0 cites·7 claims
- 3642US2004043168A1Multilayered molded containerFiled 2001·Application pending·0 cites
- 3740US2019010253A1Modified cellulose fibersKAO CORP·Filed 2016·Application pending·0 cites
- 3840US2019185587A1Modified cellulose fiberKAO CORP·Filed 2016·Application pending·0 cites
- 3940US2004045690A1Molded pulp product, and method and apparatus for production thereofFiled 2002·Application pending·0 cites
- 4030US5804518AAbsorbent articlesKAO CORP·Filed 1995·Granted Sep 8, 1998·1 cites·4 claims
- 4130US2012237761A1Membrane structure, process for making membrane structure, and aqueous dispersion for forming membrane structureMUKAI KENTA·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yoshiaki Kumamoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →