Inventor · Utsunomiya, JP

Hiroshi Ohsasa

3Patents
3h-index
5Co-inventors
39Inventor score

Filing activity: Jan 8, 1986 → May 23, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US5145147A Normally closed-type fluid control valve Mechanical Engineering; Lighting; Heating 38 Expired
US5094430A Control valve Mechanical Engineering; Lighting; Heating 30 Expired
US4666126A Control valve Mechanical Engineering; Lighting; Heating 19 Expired

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