Inventor · Numazu, JP

Shunsuke Toshioka

49Patents
11h-index
61Co-inventors
74Inventor score

Filing activity: Apr 27, 1999 → Nov 21, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6502391B1 Exhaust emission control device of internal combustion engine Emerging Cross-Sectional Technologies 94 Expired
US6212885A Exhaust emission control system of internal combustion engine Emerging Cross-Sectional Technologies 29 Expired
US6823664B2 Exhaust gas purification device Mechanical Engineering; Lighting; Heating 27 Expired
US6834496B2 Exhaust gas purifying apparatus for internal combustion engine and control method thereof Emerging Cross-Sectional Technologies 26 Expired
US7146800B2 Exhaust purification device and exhaust purification method of internal combustion engine Emerging Cross-Sectional Technologies 26 Expired
US6708486B2 Exhaust gas purification device of internal combustion engine Emerging Cross-Sectional Technologies 25 Expired
US6672050B2 Exhaust gas purification device of an engine Emerging Cross-Sectional Technologies 20 Expired
US6655133B2 Exhaust gas purifier for internal combustion engine Emerging Cross-Sectional Technologies 19 Expired
US6381952B1 Exhaust temperature raising apparatus and method for internal combustion engine Emerging Cross-Sectional Technologies 18 Expired
US6877312B2 Exhaust emission control system of internal combustion engine Emerging Cross-Sectional Technologies 17 Expired
US6898930B2 Exhaust gas purification device Mechanical Engineering; Lighting; Heating 11 Expired
US6370869B1 Exhaust purification device of an engine Emerging Cross-Sectional Technologies 11 Expired
US6668548B1 Exhaust emission control device of internal combustion engine Emerging Cross-Sectional Technologies 10 Expired
US6634167B1 Exhaust temperature raising apparatus and method for internal combustion engine Emerging Cross-Sectional Technologies 10 Expired
US8117834B2 Exhaust purification device of internal combustion engine Emerging Cross-Sectional Technologies 8 Active
US6883310B2 Internal combustion engine emission control apparatus and method Emerging Cross-Sectional Technologies 6 Expired
US6901750B2 Exhaust emission control apparatus and method for internal combustion engine Emerging Cross-Sectional Technologies 5 Expired
US7165394B2 Exhaust gas purification system for internal combustion engine Emerging Cross-Sectional Technologies 5 Expired
US8132403B2 Method of estimating quantity of N2O produced in ammonia oxidation catalyst and exhaust gas purification system for internal combustion engine Emerging Cross-Sectional Technologies 5 Active
USRE42156E1 Exhaust emission control system of an internal combustion engine General 5 Expired
US6988360B2 Exhaust emission purification device for internal combustion engine Mechanical Engineering; Lighting; Heating 5 Expired
US8256211B2 Aqueous urea solution feed device of an internal combustion engine Emerging Cross-Sectional Technologies 4 Active
US6837043B2 Device for purifying the exhaust gas of an internal combustion engine Mechanical Engineering; Lighting; Heating 4 Expired
US8132402B2 Exhaust purification device of internal combustion engine Emerging Cross-Sectional Technologies 4 Active
US9297287B2 Exhaust gas control apparatus and control method for exhaust gas control apparatus Emerging Cross-Sectional Technologies 3 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.