Inventor
KOYAMA AKIO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
11 patentsUS8382905B2Feb 26, 2013
Plant-fiber-material transformation method
TOYOTA MOTOR CO LTD11 citations84
US7604789B2Oct 20, 2009
Porous composite oxide and production method thereof
TOYOTA MOTOR CO LTD6 citations74
US7968490B2Jun 28, 2011
Method for producing porous substances
TOYOTA MOTOR CO LTD6 citations63
US7915195B2Mar 29, 2011
Exhaust gas purifying catalyst and production process thereof
TOYOTA MOTOR CO LTD6 citations63
US7776783B2Aug 17, 2010
Catalyst carrier and exhaust gas purification catalyst
TOYOTA MOTOR CO LTD2 citations63
US7608559B2Oct 27, 2009
Method for producing heat-resisting compound oxides
TOYOTA MOTOR CO LTD2 citations63
US8034743B2Oct 11, 2011
Method for production of an exhaust gas purification catalyst support and exhaust gas purification catalyst support
TOYOTA MOTOR CO LTD0 citations52
US7910084B2Mar 22, 2011
Compound oxide manufacturing method
TOYOTA MOTOR CO LTD0 citations52
US7790649B2Sep 7, 2010
Production process of exhaust gas purifying catalyst
TOYOTA MOTOR CO LTD0 citations52
US7758840B2Jul 20, 2010
Method for producing compound
TOYOTA MOTOR CO LTD0 citations52
US7678733B2Mar 16, 2010
Method for producing heat-resisting compound oxides
TOYOTA MOTOR CO LTD0 citations42
TAKESHIMA SHINICHI
5 patentsUS8999878B2Apr 7, 2015
Exhaust gas purifying catalyst
TAKESHIMA SHINICHI10 citations84
US8206671B2Jun 26, 2012
Porous composite oxide and production method thereof
TAKESHIMA SHINICHI5 citations74
US8574524B2Nov 5, 2013
Porous composite oxide and production method thereof
TAKESHIMA SHINICHI2 citations63
US8298983B2Oct 30, 2012
Production process of composite metal oxide
TAKESHIMA SHINICHI2 citations62
US8288310B2Oct 16, 2012
Automobile exhaust gas purification catalyst and method of production of same
TAKESHIMA SHINICHI0 citations52