Inventor · Machida, JP

Toru Tanabe

32Patents
11h-index
43Co-inventors
75Inventor score

Filing activity: Apr 17, 1974 → Feb 7, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5502432A Apparatus and method of warning rear-end collision Physics 54 Expired
US6443602B1 Vehicle headlamp device Electricity 50 Expired
US5552700A Current detecting device with a core having an integrally fixed engaging member Physics 32 Expired
US5257173A Light irradiating apparatus having light emitting diode used as light source Emerging Cross-Sectional Technologies 29 Expired
US5550469A Hall-effect device driver with temperature-dependent sensitivity compensation Physics 21 Expired
US4808812A Composite type light sensor having plural sensors with different light receiving angle optical characteristics Electricity 20 Expired
US4728861A Light control apparatus for a vehicle Performing Operations; Transporting 19 Expired
US4972140A Current detection device and core for detection of magnetic flux Physics 17 Expired
US5010457A Apparatus for adjusting attitude of optical axes of head lamps on vehicle Performing Operations; Transporting 16 Expired
US6109759A Optical beam axis adjustment apparatus of head lamp for use in vehicle Performing Operations; Transporting 15 Expired
US5260710A Vehicular optical-radar apparatus Physics 14 Expired
US9417475B2 Display device Physics 11 Active
US5111182A Vehicle braking action alarming apparatus Performing Operations; Transporting 11 Expired
US9581849B2 Liquid crystal display device Physics 10 Active
US5210587A Optical distance measuring apparatus Physics 9 Expired
US5204732A Optical distance measuring apparatus Physics 5 Expired
US8866510B2 Semiconductor device Electricity 4 Active
US4486818A Apparatus for controlling opening and closing of a retractable head lamp for an automobile Performing Operations; Transporting 4 Expired
US5239353A Optical distance measuring apparatus Physics 3 Expired
US5317375A Optical distance measuring apparatus Physics 3 Expired
US10317717B2 Liquid crystal display device Physics 3 Active
US5396375A Dual head type magnetic disc recording/reproducing apparatus Physics 3 Expired
US5436623A Road information displaying method Physics 3 Expired
US5251000A Apparatus for measuring a distance between two running vehicles using light wave Physics 2 Expired
US10901255B2 Liquid crystal display device Physics 2 Active

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