Inventor · disambiguated record
Akihisa Okumura
Also filed as: OKUMURA AKIHISA
7 granted patents·5 pending applications·43 citations·filing 1997–2020
79Inventor score
Top patents by PatentIndex Score
12 records- 0182US7981834B2Adsorbent for hydrocarbons, catalyst for exhaust gas purification and method for exhaust gas purificationICT CO LTD·Filed 2007·Granted Jul 19, 2011·7 cites·24 claims
- 0280US8722001B2Catalyst for purification of exhaust gas and method for purification using the sameONO MARIKO·Filed 2009·Granted May 13, 2014·9 cites·14 claims
- 0366US6214307B1Exhaust gas purifying catalyst and exhaust gas purifying methodICT CO LTD·Filed 1997·Granted Apr 10, 2001·27 cites·11 claims
- 0456US9404406B2Catalyst for use in a process for purifying exhaust gas from gasoline engines of a fuel-direct-injection typeUMICORE SHOKUBAI JAPAN CO LTD·Filed 2013·Granted Aug 2, 2016·0 cites·8 claims
- 0550US2023174739A1Organic waste recycling apparatus, and recycling method thereforACT CO LTD·Filed 2020·Application pending·0 cites
- 0649US8263009B2Exhaust gas purifying catalystIWACHIDO KINICHI·Filed 2009·Granted Sep 11, 2012·0 cites·5 claims
- 0745US2011200504A1Exhaust gas purifying catalyst and method for purifying exhaust gas using the catalystONO MARIKO·Filed 2009·Application pending·0 cites
- 0843US8938953B2Exhaust gas purifying methodIWACHIDO KINICHI·Filed 2009·Granted Jan 27, 2015·0 cites·9 claims
- 0943US2004086441A1Process for purifying exhaust gas from gasoline enginesFiled 2003·Application pending·0 cites
- 1041US8318630B2Catalyst for removing nitrogen oxides and method for removing nitrogen oxides using the sameNAKANE TAKUJI·Filed 2008·Granted Nov 27, 2012·0 cites·9 claims
- 1141US2001012502A1Catalyst for purifying exhaust gas and a process for purifying exhaust gasICT CO LTD·Filed 2001·Application pending·0 cites
- 1236US2005172614A1Exhaust emission control device for an internal combustion engineINT CATALYST TECHNOLOGY INC·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →