Inventor · Asaka, JP

Hiroshi Oono

24Patents
9h-index
26Co-inventors
75Inventor score

Filing activity: Nov 8, 1976 → Jun 3, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4739480A Radiation image reproducing apparatus with image storage ID code for identifying exposure data file Physics 56 Expired
US5761230A Laser-diode driving circuit with temperature compensation Electricity 51 Expired
US6128899A Exhaust gas purification system for internal combustion engine Emerging Cross-Sectional Technologies 44 Expired
US4193317A Fine position control device Emerging Cross-Sectional Technologies 29 Expired
US6246282A First stage amplifier circuit Electricity 25 Expired
US4498005A Cassette having radiation image storage medium Physics 23 Expired
US4212018A Laser beam recording system Electricity 19 Expired
US6211852A Liquid crystal display device Physics 12 Expired
US6850165B2 Catalyst deterioration detecting system for an automobile Emerging Cross-Sectional Technologies 9 Expired
US4125842A Method for laser recording using zeroth order light and heat deformable medium Electricity 7 Expired
US4701674A Optical beam modulation and deflection device Electricity 7 Expired
US6305161A Method of purifying exhaust gas of internal combustion engine and apparatus thereof Performing Operations; Transporting 7 Expired
US6393834B1 Exhaust purifying apparatus for internal combustion engine Emerging Cross-Sectional Technologies 6 Expired
US4404570A Laser recorder Electricity 5 Expired
US7157405B2 Device for clarifying exhaust gas from internal combustion engine Emerging Cross-Sectional Technologies 4 Expired
US4340894A Laser beam recording system Electricity 4 Expired
US4395766A Laser type recording device Electricity 4 Expired
US7727949B2 Cleaning agent for thermostatic chambers Chemistry; Metallurgy 4 Expired
US6337887B1 Burst receiving circuit and control method thereof Electricity 3 Expired
US6474147B2 Exhaust-gas purification device for internal combustion engine Emerging Cross-Sectional Technologies 2 Expired
US6854418B2 Intensive machine for performing a plurality of processes in fabrication of multilayer substrate Emerging Cross-Sectional Technologies 2 Expired
US11474681B2 Controlling electronic devices by operating head mounted display Physics 0 Active
US10705703B2 Controlling electronic devices by operating head mounted display Physics 0 Active
US8112221B2 Navigation apparatus for vehicle Physics 0 Active

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