Inventor · Tokyo, JP

Hiroyuki Saito

356Patents
28h-index
419Co-inventors
93Inventor score

Filing activity: Oct 26, 1981 → May 16, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6263190A Mobile communication apparatus with a security function and a method of communicating with a base station with security Electricity 132 Expired
US6182807A Device and method for supplying power to a vehicle, semi-conductor circuit device for use in the same and collective wiring device for a vehicle or an automobile Performing Operations; Transporting 95 Expired
US6124388A Water repellent composition, fluorocarbon polymer coating composition and coating film therefrom Chemistry; Metallurgy 77 Expired
US5580042A Sheet conveying apparatus Emerging Cross-Sectional Technologies 69 Expired
US6320275A Power-feed control apparatus provided in a vehicle Electricity 68 Expired
US5788763A Manufacturing method of a silicon wafer having a controlled BMD concentration Electricity 61 Expired
US5809152A Apparatus for reducing noise in a closed space having divergence detector Physics 60 Expired
US5672019A Sheet supplying apparatus Emerging Cross-Sectional Technologies 59 Expired
US5725319A Sheet feeding apparatus Performing Operations; Transporting 57 Expired
US5620174A Sheet conveying apparatus Emerging Cross-Sectional Technologies 54 Expired
US4589516A Muffler for internal combustion engines Mechanical Engineering; Lighting; Heating 50 Expired
US5678851A Airbag module cover Performing Operations; Transporting 49 Expired
US6168270A Recording apparatus having a sheet conveying force adjustment system Performing Operations; Transporting 48 Expired
US5595626A Tape dispenser Emerging Cross-Sectional Technologies 45 Expired
US5060977A Magnet-inclusive component suitable for use in occupant-protecting means for motor vehicle and fabrication process thereof Emerging Cross-Sectional Technologies 44 Expired
US5245362A Ink jet recording apparatus with discharge recovery apparatus having varying driving force Performing Operations; Transporting 43 Expired
US5175633A Method of diagnosing operating conditions of an image processor Electricity 42 Expired
US4748013A Adsorbent for recovery of bromine and bromine-recovering process using same Chemistry; Metallurgy 40 Expired
US6791207B2 Power supplying apparatus for vehicle and intensive wiring apparatus Performing Operations; Transporting 36 Expired
US5918873A Sheet supplying apparatus which regulates tip end of sheet by first and second abutment means Performing Operations; Transporting 36 Expired
US5480247A Sheet supplying apparatus Performing Operations; Transporting 35 Expired
US4995640A Magnetic sensor actuation system suitable for use in passive seat belt system Performing Operations; Transporting 35 Expired
US7374281B2 Recording apparatus Performing Operations; Transporting 33 Active
US7504784B2 Motor driving apparatus of washing and drying machine Emerging Cross-Sectional Technologies 33 Active
US6420799B1 Power supply device for vehicles Electricity 32 Expired

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