Inventor
ISHII YOSHITAKE
JP16 patents
⚠️ This page may combine multiple inventors who share the name “ISHII YOSHITAKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CATALYTIC CHEM IND
8 patentsUS6888025B2May 3, 2005
Method for absorbing acrylic acid and method for purifying acrylic acid
NIPPON CATALYTIC CHEM IND10 citations73
US6713648B2Mar 30, 2004
Method for absorbing acrylic acid and method for purifying acrylic acid
NIPPON CATALYTIC CHEM IND9 citations73
US7048834B2May 23, 2006
Method for purification of acrylic acid
NIPPON CATALYTIC CHEM IND3 citations60
US9320822B2Apr 26, 2016
Polyacrylic acid (salt) water-absorbing resin and manufacturing method therefor
NIPPON CATALYTIC CHEM IND1 citations51
US7514581B2Apr 7, 2009
Method for purifying and producing acrylic acid
NIPPON CATALYTIC CHEM IND0 citations51
US7381839B2Jun 3, 2008
Method for producing acrylic acid
NIPPON CATALYTIC CHEM IND1 citations51
US6960670B2Nov 1, 2005
Method for production of maleic anhydride
NIPPON CATALYTIC CHEM IND0 citations47
US9029599B2May 12, 2015
Process for producing (meth)acrylic acid
NIPPON CATALYTIC CHEM IND0 citations40
SAKAMOTO KAZUHIKO
5 patentsUS8704000B2Apr 22, 2014
Method for crystallizing (meth)acrylic acid and method for regulating content of polymerization inhibitor in product (meth)acrylic acid
SAKAMOTO KAZUHIKO0 citations51
US8680331B2Mar 25, 2014
Process for production of (meth)acrylic acid
SAKAMOTO KAZUHIKO1 citations51
US8680330B2Mar 25, 2014
Process for producing (meth) acrylic acid
SAKAMOTO KAZUHIKO1 citations51
US8859809B2Oct 14, 2014
Device and process for crystallizing (meth)acrylic acid
SAKAMOTO KAZUHIKO1 citations50
US8846977B2Sep 30, 2014
Crystallization unit for acrylic acid and method for crystallization of acrylic acid using the same
SAKAMOTO KAZUHIKO0 citations50