Inventor · disambiguated record
Hirofumi Ota
Also filed as: OTA HIROFUMI
10 granted patents·4 pending applications·16 citations·filing 2005–2019
82Inventor score
Files withNISSAN CHEMICAL IND LTD6NISSAN CHEMICAL CORP4KAWAGUCHI TAKANORI1MIYAJI KATSUAKI1MYAJI KATSUAKI1
Top patents by PatentIndex Score
14 records- 0182US7968542B2Thiophene compounds and thrombopoietin receptor activatorsNISSAN CHEMICAL IND LTD·Filed 2006·Granted Jun 28, 2011·6 cites·37 claims
- 0281US10513491B2Sulfonic acid ester compound and use thereforNISSAN CHEMICAL CORP·Filed 2017·Granted Dec 24, 2019·2 cites·13 claims
- 0375US10199578B2Fluorine-atom-containing polymer and use thereofNISSAN CHEMICAL IND LTD·Filed 2015·Granted Feb 5, 2019·1 cites·11 claims
- 0475US8552031B23-ethylidenehydrazino substituted heterocyclic compounds as thrombopoietin receptor activatorsMIYAJI KATSUAKI·Filed 2005·Granted Oct 8, 2013·3 cites·21 claims
- 0571US8026368B2Hydrazide compounds and thrombopoietin receptor activatorsNISSAN CHEMICAL IND LTD·Filed 2006·Granted Sep 27, 2011·1 cites·38 claims
- 0666US8134013B2Amide compound and thrombopoietin receptor activatorMYAJI KATSUAKI·Filed 2005·Granted Mar 13, 2012·2 cites·9 claims
- 0752US8822503B22-pyridone compoundsKAWAGUCHI TAKANORI·Filed 2011·Granted Sep 2, 2014·1 cites·23 claims
- 0851US10847725B2Sulfonic acid ester compound and use thereforNISSAN CHEMICAL CORP·Filed 2017·Granted Nov 24, 2020·0 cites·11 claims
- 0944US9695148B22-pyridone compoundTAISHO PHARMACEUTICAL CO LTD·Filed 2013·Granted Jul 4, 2017·0 cites·8 claims
- 1044US2011092496A1Thiophene compounds and thrombopoietin receptor activatorsNISSAN CHEMICAL IND LTD·Filed 2010·Application pending·0 cites
- 1142US2021159421A1Composition for forming charge-transporting thin filmNISSAN CHEMICAL CORP·Filed 2019·Application pending·0 cites
- 1241US10533070B2Fluorine atom-containing polymer and use of sameNISSAN CHEMICAL IND LTD·Filed 2016·Granted Jan 14, 2020·0 cites·16 claims
- 1339US2020317609A1Sulfonic acid ester compound and use of sameNISSAN CHEMICAL CORP·Filed 2018·Application pending·0 cites
- 1433US2017133589A1Fluorene derivative and use thereofNISSAN CHEMICAL IND LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →