Inventor · Fujimi, JP

Kouichi Sato

47Patents
13h-index
68Co-inventors
84Inventor score

Filing activity: Apr 8, 1986 → Mar 2, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5625350A Audio/video communication system and method Electricity 176 Expired
US4734323A Vibration damping soundproof sheets for use in vehicles Emerging Cross-Sectional Technologies 61 Expired
US6251813A Optical glass and its use Emerging Cross-Sectional Technologies 49 Expired
US4743479A Multi-layered vessels and method for molding the same Emerging Cross-Sectional Technologies 35 Expired
US5906654A Route guidance for vehicle navigation apparatus to find alternate destination Physics 34 Expired
US5373489A External storage device with a plurality of recording/reproducing drive units and a plurality of storage racks stacked in a common plane Physics 31 Expired
US5059041A Electrical insulating bearing Mechanical Engineering; Lighting; Heating 30 Expired
US6413894B1 Optical glass and optical product Emerging Cross-Sectional Technologies 27 Expired
US6115034A Step managing apparatus and method Emerging Cross-Sectional Technologies 26 Expired
US7892679B2 Non-aqueous electrolyte secondary battery Emerging Cross-Sectional Technologies 25 Active
US6456090B1 Torque sensor Physics 17 Expired
US4774047A Method for molding multi-layered vessels Emerging Cross-Sectional Technologies 14 Expired
US5574514A Audio/video device for a communication system Electricity 13 Expired
US5177619A Apparatus for minimizing signal degradation during the copying of video signals from one recording medium to another recording medium Physics 11 Expired
US6224093A Vehicle steering apparatus Emerging Cross-Sectional Technologies 9 Expired
US7424830B2 Torque sensor Physics 8 Active
US5695704A Method for crimping a thermoplastic resin member Performing Operations; Transporting 7 Expired
US5994893A Driving apparatus for stepping motor type instrument Electricity 7 Expired
US6156684A Light polarization control element using stress-optical coefficient glass and method of producing the stress-optical coefficient glass Emerging Cross-Sectional Technologies 7 Expired
US5200862A Eliminating signal quality deteriorations in a reproduced still image Electricity 6 Expired
US5289448A Rotation control apparatus for use with recording medium Physics 6 Expired
US5153740A Recording and demodulation devices for electronic still camera Electricity 6 Expired
US5579123A Track judgement apparatus for discriminating between video and other signals during signal reproduction Electricity 6 Expired
US7562738B2 Vehicle control apparatus Emerging Cross-Sectional Technologies 5 Expired
USD429758S Electronic cash register General 5 Expired

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