Inventor · Iruma, JP

Nobuyuki Hashimoto

59Patents
13h-index
72Co-inventors
87Inventor score

Filing activity: May 12, 1976 → Apr 23, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4634179A Air lumbar support device Emerging Cross-Sectional Technologies 124 Expired
US4663670A Television receiver having a liquid crystal display device Physics 60 Expired
US6191829A Optical apparatus for optically rotating a portion of a polarization axis of a linearly polarized light Physics 48 Expired
US5515183A Real-time holography system Physics 47 Expired
US6847428B1 Camera having a liquid crystal display device Physics 39 Expired
US4478436A Hose connector Mechanical Engineering; Lighting; Heating 38 Expired
US5654782A Liquid crystal optical modulator device with each electrode width smaller than both the liquid crystal thickness and the electrode gaps Physics 26 Expired
US4250924A Electromagnetic control valve assembly Emerging Cross-Sectional Technologies 26 Expired
US4491157A Valve assembly for air bag control Emerging Cross-Sectional Technologies 25 Expired
US4570676A Lumbar support air valve assembly Emerging Cross-Sectional Technologies 23 Expired
US4193421A Electromagnetically operated valve unit Emerging Cross-Sectional Technologies 15 Expired
US6721258B1 Optical device for super-resolution Physics 14 Expired
US4142553A Electrothermally operated valve Emerging Cross-Sectional Technologies 14 Expired
US4448228A Air bag system having a branched joint Human Necessities 13 Expired
US4763037A Flat motor having a stationary magnet Electricity 13 Expired
US4211257A Solenoid valve Emerging Cross-Sectional Technologies 11 Expired
US6257141A Printing-plate mounting-position instruction system Emerging Cross-Sectional Technologies 10 Expired
US6625102B1 Optical device Physics 9 Expired
US4266517A Differential pressure switch device responsive to differential pressure and temperature change Electricity 8 Expired
US7767987B2 Electron beam irradiation method, electron beam irradiation apparatus, and electron beam irradiation apparatus for open-mouthed container Human Necessities 8 Active
US4303195A Thermally responsive valve device Emerging Cross-Sectional Technologies 8 Expired
US7619713B2 Liquid crystal optical element and method for manufacturing thereof Physics 5 Active
US4130265A Electrically operated switching valve Emerging Cross-Sectional Technologies 5 Expired
US4084072A Pressure differential switch device Electricity 5 Expired
US4325047A Temperature responsive switch Electricity 5 Expired

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