Inventor · disambiguated record
Katsumi Ichitani
Also filed as: ICHITANI KATSUMI
14 granted patents·4 pending applications·87 citations·filing 1997–2017
88Inventor score
Top patents by PatentIndex Score
18 records- 0188US5801132ARefrigerator oil compositionIDEMITSU KOSAN CO·Filed 1997·Granted Sep 1, 1998·50 cites·9 claims
- 0280US7851422B2Quenching oil for reduced pressure quenching and method for quenchingIDEMITSU KOSAN CO·Filed 2005·Granted Dec 14, 2010·6 cites·14 claims
- 0367US6136759AAdditive compositionIDEMITSU KOSAN CO·Filed 1999·Granted Oct 24, 2000·23 cites·2 claims
- 0460US7347927B2Oil composition for heat treatmentIDEMITSU KOSAN CO·Filed 2002·Granted Mar 25, 2008·6 cites·8 claims
- 0559US10421924B2Water-based coolantIDEMITSU KOSAN CO·Filed 2017·Granted Sep 24, 2019·0 cites·11 claims
- 0657US11180817B2Water-based quenching liquid composition and method for manufacturing metal material using sameIDEMITSU KOSAN CO·Filed 2017·Granted Nov 23, 2021·0 cites·7 claims
- 0754US10731099B2Heat treatment oil compositionIDEMITSU KOSAN CO·Filed 2016·Granted Aug 4, 2020·0 cites·10 claims
- 0853US2010186853A1Heat-treatment oil compositionIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 0952US9637804B2Heat treating oil compositionIDEMITSU KOSAN CO·Filed 2013·Granted May 2, 2017·0 cites·6 claims
- 1051US7503985B2Quenching methodIDEMITSU KOSAN CO·Filed 2002·Granted Mar 17, 2009·2 cites·14 claims
- 1150US11015230B2Water-soluble quenching oil compositionIDEMITSU KOSAN CO·Filed 2017·Granted May 25, 2021·0 cites·14 claims
- 1249US2015315512A1Water-based coolantIDEMITSU KOSAN CO·Filed 2013·Application pending·0 cites
- 1346US7993473B2Heat treatment oil compositionIDEMITSU KOSAN CO·Filed 2006·Granted Aug 9, 2011·0 cites·18 claims
- 1443US9023234B2Aqueous heat treatment liquid compositionICHITANI KATSUMI·Filed 2011·Granted May 5, 2015·0 cites·13 claims
- 1543US7841766B2Metal surface temperature measuring instrumentIDEMITSU KOSAN CO·Filed 2006·Granted Nov 30, 2010·0 cites·4 claims
- 1643US2015000710A1Water-based coolantIDEMITSU KOSAN CO·Filed 2013·Application pending·0 cites
- 1743US2018023021A1Heat treatment oil compositionIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 1839US11479737B2Water-soluble quenching oil compositionIDEMITSU KOSAN CO·Filed 2017·Granted Oct 25, 2022·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →