Inventor · disambiguated record
Hirotama Fujimaru
Also filed as: FUJIMARU HIROTAMA
26 granted patents·725 citations·filing 1997–2008
97Inventor score
Files withNIPPON CATALYTIC CHEM IND19FUJIMARU HIROTAMA4DAIROKU YORIMICHI1IKEUCHI HIROYUKI1KAWANO TAKAAKI1
Top patents by PatentIndex Score
26 records- 0197US6727345B2Continuous production process for water-absorbent resin powder and powder surface detector used thereforNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Apr 27, 2004·94 cites·11 claims
- 0295US6444744B1Hydrophilic resin, absorbent article, and acrylic acid for polymerizationNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Sep 3, 2002·114 cites·17 claims
- 0393US9062140B2Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resinFUJIMARU HIROTAMA·Filed 2006·Granted Jun 23, 2015·18 cites·10 claims
- 0491US7435477B2Particulate water absorbent containing water absorbent resin as a main componentNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Oct 14, 2008·36 cites·18 claims
- 0589US6716894B2Water-absorbent resin powder and its production process and usesNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Apr 6, 2004·78 cites·16 claims
- 0688US7282262B2Particulate water absorbent containing water absorbent resin as a main componentNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Oct 16, 2007·34 cites·20 claims
- 0787US6395792B1Method for production of porous cross-linked poymerNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 28, 2002·28 cites·13 claims
- 0887US6187872B1Water-absorbent agent and method for manufacturing the sameNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Feb 13, 2001·58 cites·37 claims
- 0986US7049366B2Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2002·Granted May 23, 2006·24 cites·47 claims
- 1086US6184433B1Pressure-resistant absorbent resin, disposable diaper using the resin, and absorbent resin, and method for production thereofNIPPON CATALYTIC CHEM IND·Filed 1998·Granted Feb 6, 2001·50 cites·26 claims
- 1185US8552134B2Method of producing polyacrylic acid (salt) water-absorbent resinFUJIMARU HIROTAMA·Filed 2007·Granted Oct 8, 2013·9 cites·19 claims
- 1285US6323250B1Method for production of porous materialNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Nov 27, 2001·23 cites·4 claims
- 1384US6395793B1Method for production of porous materialNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 28, 2002·22 cites·4 claims
- 1484US6274638B1Method for production of porous cross-linked polymer materialNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Aug 14, 2001·21 cites·10 claims
- 1581US8481664B2Particulate water absorbing agent including polyacrylic acid (polyacrylate) based water absorbing resin as a principal component, method for production thereof, water-absorbent core and absorbing article in which the particulate water absorbing agent is usedDAIROKU YORIMICHI·Filed 2006·Granted Jul 9, 2013·8 cites·10 claims
- 1681US6797735B2Process for producing porous polymerNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Sep 28, 2004·17 cites·7 claims
- 1780US6822010B2Method for production of porous materialNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Nov 23, 2004·16 cites·15 claims
- 1880US6630519B2Process for producing porous polymerNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Oct 7, 2003·16 cites·22 claims
- 1977US6730711B2Method for production of porous cross-linked polymer materialNIPPON CATALYTIC CHEM IND·Filed 2001·Granted May 4, 2004·14 cites·6 claims
- 2077US6166097AMethod for production of porous materialNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Dec 26, 2000·24 cites·27 claims
- 2170US7196139B2Water-absorbent resin compositionNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Mar 27, 2007·9 cites·30 claims
- 2268US8822373B2Particulate water absorbing agent and production method thereofFUJIMARU HIROTAMA·Filed 2007·Granted Sep 2, 2014·2 cites·21 claims
- 2363US9187579B2Particle-shaped water absorbing agent and method for producing the sameIKEUCHI HIROYUKI·Filed 2008·Granted Nov 17, 2015·1 cites·9 claims
- 2461US8765857B2Particulate water retaining material for cultivating plant having water absorbent resin as main componentFUJIMARU HIROTAMA·Filed 2004·Granted Jul 1, 2014·4 cites·16 claims
- 2546US8729191B2Production process of polyacrylic acid (salt) water-absorbent resinKAWANO TAKAAKI·Filed 2006·Granted May 20, 2014·0 cites·22 claims
- 2638US6110984AWater-swellable crosslinked polymer, production process therefor, and measurement method for pore volume of swollen crosslinked polymerNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Aug 29, 2000·5 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →