Inventor
YOSHINAKA MASATOYO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “YOSHINAKA MASATOYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO SEIKA CHEMICALS
7 patentsUS6933356B2Aug 23, 2005
Particles of carboxylated polymer
SUMITOMO SEIKA CHEMICALS7 citations72
US6869994B1Mar 22, 2005
Carboxylated polymer composition
SUMITOMO SEIKA CHEMICALS11 citations72
US7842779B2Nov 30, 2010
Process for producing granular carboxylated-polymer particle and granular carboxylated-polymer particle
SUMITOMO SEIKA CHEMICALS2 citations60
US8377595B2Feb 19, 2013
Gelling agent for batteries
SUMITOMO SEIKA CHEMICALS0 citations50
US9896528B2Feb 20, 2018
Carboxyl-group-containing polymer composition
SUMITOMO SEIKA CHEMICALS0 citations48
US7390865B2Jun 24, 2008
Process for producing water-soluble carboxylated polymer
SUMITOMO SEIKA CHEMICALS0 citations40
US7521517B2Apr 21, 2009
Method for producing carboxyl group-containing water-soluble polymer
SUMITOMO SEIKA CHEMICALS0 citations39
YOSHINAKA MASATOYO
3 patentsUS8309667B2Nov 13, 2012
Water-soluble copolymer having alkyl-modified carboxyl groups
YOSHINAKA MASATOYO10 citations80
US8067517B2Nov 29, 2011
Water-soluble copolymer having alkyl-modified carboxyl groups
YOSHINAKA MASATOYO12 citations77
US8217127B2Jul 10, 2012
(Meth)acrylic acid/alkyl (meth)acrylate ester copolymer and cosmetic preparation containing the same
YOSHINAKA MASATOYO0 citations35
MORIMITSU YUICHIRO
2 patentsUS8304517B2Nov 6, 2012
Method for producing granulated carboxyl group-containing polymer particle and granulated carboxyl group-containing polymer particle
MORIMITSU YUICHIRO1 citations45
US8629230B2Jan 14, 2014
Method for manufacturing carboxyl group-containing water-soluble polymer
MORIMITSU YUICHIRO0 citations31