Inventor · disambiguated record
Tomoyoshi Koizumi
Also filed as: KOIZUMI TOMOYOSHI
11 granted patents·233 citations·filing 1992–2015
91Inventor score
Files withKUREHA CHEMICAL IND CO LTD5KUREHA CORP2ICHINOSE YOSHIHIRO1KIMURA TAKAYUKI1KOIZUMI TOMOYOSHI1
Top patents by PatentIndex Score
11 records- 0194US6921609B2Gradient cathode material for lithium rechargeable batteriesKUREHA CHEMICAL IND CO LTD·Filed 2002·Granted Jul 26, 2005·70 cites·7 claims
- 0293US8981041B2Production process of poly(arylene sulfide) and production apparatus thereofKIMURA TAKAYUKI·Filed 2011·Granted Mar 17, 2015·11 cites·16 claims
- 0392US7025908B1Optical filter and process for producing the sameKUREHA CORP·Filed 2000·Granted Apr 11, 2006·73 cites·5 claims
- 0491US9068047B2Process for producing poly(arylene sulfide), and poly(arylene sulfide) comprising contacting a wash liquid with an alkaline compoundICHINOSE YOSHIHIRO·Filed 2011·Granted Jun 30, 2015·12 cites·12 claims
- 0590US9908974B2Polyarylene sulfide production method and polyarylene sulfide production apparatusKUREHA CORP·Filed 2015·Granted Mar 6, 2018·3 cites·15 claims
- 0688US9339778B2Column-type solid-liquid countercurrent contact apparatus, solid particle washing apparatus, and methodKOIZUMI TOMOYOSHI·Filed 2011·Granted May 17, 2016·13 cites·16 claims
- 0788US8609790B2Production process of granular poly(arylene sulfide)SUZUKI KENJI·Filed 2009·Granted Dec 17, 2013·14 cites·15 claims
- 0880US6855461B2Cathode material for lithium rechargeable batteriesKUREHA CHEMICAL IND CO LTD·Filed 2002·Granted Feb 15, 2005·19 cites·9 claims
- 0953US5342654ASurface roughening of resin molded articles for metallizingKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Aug 30, 1994·12 cites·3 claims
- 1049US6562992B2Optical materialKUREHA CHEMICAL IND CO LTD·Filed 2001·Granted May 13, 2003·3 cites·3 claims
- 1132US5326593ASurface roughening of resin molded articles for metallizingKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Jul 5, 1994·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →