Inventor · Tokyo, JP

Eiji Kishida

13Patents
6h-index
15Co-inventors
59Inventor score

Filing activity: Oct 27, 1976 → Jun 1, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4563990A Fuel supply control system for engine carburetors Emerging Cross-Sectional Technologies 13 Expired
US4739740A Internal combustion engine air-fuel ratio feedback control method functioning to compensate for aging change in output characteristic of exhaust gas concentration sensor Mechanical Engineering; Lighting; Heating 7 Expired
US4099496A Carburetor heat shield Mechanical Engineering; Lighting; Heating 7 Expired
US4478199A Method of controlling exhaust-gas recirculation in internal combustion engine Emerging Cross-Sectional Technologies 6 Expired
US4561394A Air intake side secondary air supply system for an internal combustion engine Emerging Cross-Sectional Technologies 6 Expired
US4586481A Secondary air supply for internal combustion engine Emerging Cross-Sectional Technologies 6 Expired
US4617900A Air-fuel ratio control system for an internal combustion engine having a control characteristic varying with the engine load Emerging Cross-Sectional Technologies 6 Expired
US4526148A Air-fuel ratio control system for an internal combustion engine Mechanical Engineering; Lighting; Heating 5 Expired
US4484441A Exhaust gas purification apparatus Emerging Cross-Sectional Technologies 5 Expired
US4579099A Air intake side secondary air supply system for an internal combustion engine Emerging Cross-Sectional Technologies 4 Expired
US4553521A Intake secondary air supply system for internal combustion engines Emerging Cross-Sectional Technologies 4 Expired
US4617891A Secondary air supply for internal combustion engine Emerging Cross-Sectional Technologies 1 Expired
US4567873A Air intake side secondary air supply system for an internal combustion engine Emerging Cross-Sectional Technologies 0 Expired

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