Inventor · Wako, JP

Toshinari Sonoda

9Patents
7h-index
26Co-inventors
59Inventor score

Filing activity: Jan 17, 1986 → Sep 28, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US4729349A Oil supply system for a valve operating mechanism in internal combustion engines Mechanical Engineering; Lighting; Heating 35 Expired
US4856486A Internal combustion engine Mechanical Engineering; Lighting; Heating 25 Expired
US4807576A Hydraulic lash adjuster for use in valve operating mechanism Mechanical Engineering; Lighting; Heating 21 Expired
US5901679A Engine for vehicle Mechanical Engineering; Lighting; Heating 16 Expired
US4754729A Camshaft support assembly for valve operating mechanism in an internal combustion engines Mechanical Engineering; Lighting; Heating 12 Expired
US4649874A Oil supply system for valves in an internal combustion engine Mechanical Engineering; Lighting; Heating 11 Expired
US4739735A Internal combustion engine Mechanical Engineering; Lighting; Heating 8 Expired
US4997409A Wrapping type transmission structure for internal combustion engines Emerging Cross-Sectional Technologies 7 Expired
US6158402A Engine block structure in multi-cylinder engine Mechanical Engineering; Lighting; Heating 6 Expired

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