Inventor · Utsunomiya, JP

Junji Aoki

13Patents
6h-index
19Co-inventors
63Inventor score

Filing activity: May 26, 1977 → Apr 2, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US4306294A Combined electronic calculator and electronically tuning radio receiver Electricity 14 Expired
US4189912A Combination calculator and timepiece Physics 11 Expired
US4662755A Gas analyzer with means for varying angle of incidence of light on interference filter Physics 10 Expired
US4150282A Detector for bidirectional movement of an extensible member in an electronic digital scale Physics 9 Expired
US4593197A Gas analyzer Physics 8 Expired
US5147426A Centrifugal separator for preparing automotive exhaust gas for pollution testing with pressure compensation Emerging Cross-Sectional Technologies 6 Expired
US4568254A Tubing pump Mechanical Engineering; Lighting; Heating 5 Expired
US4519890A Flow system glass electrode Physics 5 Expired
US8296090B2 Gas analyzer Electricity 3 Active
US4551222A Flow through system liquid membrane type electrode Physics 2 Expired
US5362967A Pneumatic infrared ray detector for use in gas analyzer Physics 2 Expired
US5100441A Gas liquid separator with improved housing configuration Physics 0 Expired
US8054081B2 Residual gas analyzer Electricity 0 Active

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