Inventor · disambiguated record
Hiroshi Umezawa
Also filed as: UMEZAWA HIROSHI
15 granted patents·1 pending application·58 citations·filing 1987–2013
90Inventor score
Files withSHINETSU CHEMICAL CO7NARITA MITSUO5KAWAKEN FINE CHEMICALS CO1MARUYAMA NAOSUKE1SHIN ETU CHEMICAL CO LTD1
Top patents by PatentIndex Score
16 records- 0188US8343548B2Solid dosage form comprising solid dispersionSHINETSU CHEMICAL CO·Filed 2007·Granted Jan 1, 2013·6 cites·12 claims
- 0286US8519120B2Methods for producing a low-substituted hydroxypropylcellulose powderMARUYAMA NAOSUKE·Filed 2007·Granted Aug 27, 2013·4 cites·2 claims
- 0385US8017766B2Methods for preparing alkali cellulose and cellulose etherSHINETSU CHEMICAL CO·Filed 2006·Granted Sep 13, 2011·5 cites·4 claims
- 0475US9534061B2Methods for preparing alkali cellulose and cellulose etherNARITA MITSUO·Filed 2006·Granted Jan 3, 2017·1 cites·15 claims
- 0575US8853388B2Methods for preparing alkali cellulose and cellulose etherNARITA MITSUO·Filed 2006·Granted Oct 7, 2014·1 cites·12 claims
- 0671US6602995B2Method for the formation of low-substituted hydroxypropyl cellulose particlesSHINETSU CHEMICAL CO·Filed 2001·Granted Aug 5, 2003·7 cites·12 claims
- 0768US9068021B2Low-substituted hydroxypropylcellulose powderSHINETSU CHEMICAL CO·Filed 2013·Granted Jun 30, 2015·2 cites·3 claims
- 0863US5583244ASiloxane-containing pullulan and method for the preparation thereofSHINETSU CHEMICAL CO·Filed 1995·Granted Dec 10, 1996·19 cites·10 claims
- 0959US8343547B2Solid dosage form comprising solid dispersionSHINETSU CHEMICAL CO·Filed 2007·Granted Jan 1, 2013·0 cites·12 claims
- 1055US9617350B2Methods for preparing alkali cellulose and cellulose etherNARITA MITSUO·Filed 2006·Granted Apr 11, 2017·0 cites·6 claims
- 1155US9611333B2Methods for preparing alkali cellulose and cellulose etherNARITA MITSUO·Filed 2006·Granted Apr 4, 2017·0 cites·5 claims
- 1255US4894457A7-bromo-beta-carboline compound and method for producing sameKAWAKEN FINE CHEMICALS CO·Filed 1987·Granted Jan 16, 1990·5 cites·9 claims
- 1352US8865889B2Methods for preparing alkali cellulose and cellulose etherNARITA MITSUO·Filed 2006·Granted Oct 21, 2014·0 cites·13 claims
- 1450US7009046B2Low-substituted hydroxypropyl cellulose and agent serving both as binder and disintegrant for dry direct compressionSHINETSU CHEMICAL CO·Filed 2002·Granted Mar 7, 2006·0 cites·13 claims
- 1548US2003125543A1Low-substituted hydroxypropyl cellulose and process for producing sameFiled 2002·Application pending·0 cites
- 1646US6525192B2Low-substituted hydroxypropyl cellulose and process for producing sameSHIN ETU CHEMICAL CO LTD·Filed 1999·Granted Feb 25, 2003·8 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →