Inventor · Otofuke, JP

Setsuo Okada

10Patents
7h-index
13Co-inventors
59Inventor score

Filing activity: Dec 22, 1988 → Jun 22, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5515104A Camera having color correction coefficients set in accordance with a combination of photographic parameters Electricity 103 Expired
US5574465A Portable Astronomic/meteoric observation system Physics 35 Expired
US5448534A Radio with recording and reproducing function Electricity 26 Expired
US6271644A Battery pack Electricity 12 Expired
US4932251A Method of producing a core for a fuel injector Performing Operations; Transporting 10 Expired
US6006165A Speed measuring apparatus and toy for measuring speed of moving member Physics 9 Expired
US5355175A Video mixing apparatus capable of combining two input signals and varying the mixing ratio line by line Electricity 8 Expired
US5568453A Radio having a recording and reproducing unit responsive to a radio wave of a predetermined frequency Electricity 7 Expired
US5073008A Multicolor interference filters with side surfaces to prevent entry of undesirable light Physics 6 Expired
US6312153A Clock or watch having accuracy-improving function Physics 5 Expired

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