Inventor
FUJIMARU HIROTAMA
JP26 patents
⚠️ This page may combine multiple inventors who share the name “FUJIMARU HIROTAMA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CATALYTIC CHEM IND
19 patentsUS6727345B2Apr 27, 2004
Continuous production process for water-absorbent resin powder and powder surface detector used therefor
NIPPON CATALYTIC CHEM IND94 citations98
US6716894B2Apr 6, 2004
Water-absorbent resin powder and its production process and uses
NIPPON CATALYTIC CHEM IND78 citations98
US6444744B1Sep 3, 2002
Hydrophilic resin, absorbent article, and acrylic acid for polymerization
NIPPON CATALYTIC CHEM IND114 citations98
US6187872B1Feb 13, 2001
Water-absorbent agent and method for manufacturing the same
NIPPON CATALYTIC CHEM IND58 citations96
US7435477B2Oct 14, 2008
Particulate water absorbent containing water absorbent resin as a main component
NIPPON CATALYTIC CHEM IND36 citations92
US7282262B2Oct 16, 2007
Particulate water absorbent containing water absorbent resin as a main component
NIPPON CATALYTIC CHEM IND34 citations92
US7049366B2May 23, 2006
Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resin
NIPPON CATALYTIC CHEM IND24 citations92
US6395793B1May 28, 2002
Method for production of porous material
NIPPON CATALYTIC CHEM IND22 citations92
US6395792B1May 28, 2002
Method for production of porous cross-linked poymer
NIPPON CATALYTIC CHEM IND28 citations92
US6323250B1Nov 27, 2001
Method for production of porous material
NIPPON CATALYTIC CHEM IND23 citations92
US6274638B1Aug 14, 2001
Method for production of porous cross-linked polymer material
NIPPON CATALYTIC CHEM IND21 citations92
US6184433B1Feb 6, 2001
Pressure-resistant absorbent resin, disposable diaper using the resin, and absorbent resin, and method for production thereof
NIPPON CATALYTIC CHEM IND50 citations92
US6166097ADec 26, 2000
Method for production of porous material
NIPPON CATALYTIC CHEM IND24 citations89
US6822010B2Nov 23, 2004
Method for production of porous material
NIPPON CATALYTIC CHEM IND16 citations84
US6797735B2Sep 28, 2004
Process for producing porous polymer
NIPPON CATALYTIC CHEM IND17 citations84
US6630519B2Oct 7, 2003
Process for producing porous polymer
NIPPON CATALYTIC CHEM IND16 citations84
US6730711B2May 4, 2004
Method for production of porous cross-linked polymer material
NIPPON CATALYTIC CHEM IND14 citations83
US7196139B2Mar 27, 2007
Water-absorbent resin composition
NIPPON CATALYTIC CHEM IND9 citations74
US6110984AAug 29, 2000
Water-swellable crosslinked polymer, production process therefor, and measurement method for pore volume of swollen crosslinked polymer
NIPPON CATALYTIC CHEM IND5 citations62
FUJIMARU HIROTAMA
4 patentsUS9062140B2Jun 23, 2015
Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
FUJIMARU HIROTAMA18 citations92
US8552134B2Oct 8, 2013
Method of producing polyacrylic acid (salt) water-absorbent resin
FUJIMARU HIROTAMA9 citations82
US8765857B2Jul 1, 2014
Particulate water retaining material for cultivating plant having water absorbent resin as main component
FUJIMARU HIROTAMA4 citations72
US8822373B2Sep 2, 2014
Particulate water absorbing agent and production method thereof
FUJIMARU HIROTAMA2 citations58