Inventor · disambiguated record
Toshimasa Kitayama
Also filed as: KITAYAMA TOSHIMASA
15 granted patents·1 pending application·575 citations·filing 1996–2008
94Inventor score
Files withNIPPON CATALYTIC CHEM IND9TORII KAZUSHI3ADACHI YOSHIFUMI1NIPPON SHIKUBAI CO LTD1NIPPON SHOKUBAL CO LTD1
Top patents by PatentIndex Score
16 records- 0196US6071976AWater absorbing agent, manufacturing method thereof, and manufacturing machine thereofNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Jun 6, 2000·186 cites·50 claims
- 0296US5853867AAbsorbent composite, method for production thereof, and absorbent articleNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Dec 29, 1998·117 cites·26 claims
- 0387US8252715B2Water-absorbing agent and production method thereofTORII KAZUSHI·Filed 2008·Granted Aug 28, 2012·7 cites·24 claims
- 0486US7312278B2Water-absorbing agent and production process therefor, and sanitary materialNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Dec 25, 2007·25 cites·18 claims
- 0586US6184433B1Pressure-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
- 0681US8257610B2Water absorbing agent and production method thereofTORII KAZUSHI·Filed 2008·Granted Sep 4, 2012·5 cites·16 claims
- 0780US6342652B1Water-swellable crosslinked polymer, its composition, and their production processes and usesNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Jan 29, 2002·17 cites·21 claims
- 0879US7098284B2Water-absorbing agent and production process therefor, and water-absorbent structureNIPPON SHOKUBAL CO LTD·Filed 2002·Granted Aug 29, 2006·74 cites·26 claims
- 0978US7285615B2Particulate water-absorbent resin compositionNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Oct 23, 2007·19 cites·19 claims
- 1073US6333109B1Water-swellable crosslinked polymer composition and productionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Dec 25, 2001·28 cites·31 claims
- 1169US6881792B2Production processes for basic water-absorbent resin and water-absorbing agent, and use thereofNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Apr 19, 2005·6 cites·15 claims
- 1265US7495056B2Water-absorbing agent and production process therefor, and water-absorbent structureNIPPON CATALYTIC CHEM IND·Filed 2006·Granted Feb 24, 2009·2 cites·34 claims
- 1364US8247491B2Water-absorbent resin composition and its production processTORII KAZUSHI·Filed 2004·Granted Aug 21, 2012·6 cites·24 claims
- 1451US8845924B2Water absorbing agent and production method thereofADACHI YOSHIFUMI·Filed 2008·Granted Sep 30, 2014·0 cites·4 claims
- 1545US2001006267A1Production processes for basic water-absorbent resin and water-absorbing agent, and use thereofFiled 2000·Application pending·0 cites
- 1640US6001911AAbsorbent resin, absorbent material and method of manufacturing the sameNIPPON SHIKUBAI CO LTD·Filed 1996·Granted Dec 14, 1999·33 cites·46 claims
Join the waitlist — get patent alerts
Get an alert when Toshimasa Kitayama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →