Inventor · Yokohama, JP

Tsuyoshi Sato

105Patents
17h-index
174Co-inventors
89Inventor score

Filing activity: May 30, 1979 → Aug 19, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6591172B2 AUTOMATIC VEHICLE GUIDANCE SYSTEM, CONTROL APPARATUS IN AUTOMATIC VEHICLE GUIDANCE SYSTEM, AUTOMATIC VEHICLE GUIDANCE METHOD, AND COMPUTER-READABLE DATA RECORDED MEDIUM IN WHICH AUTOMATIC VEHICLE GUIDANCE SYSTEM PROGRAM IS RECORDED Physics 93 Expired
US5592468A Wireless local area network system with improved transfer efficiency and data transfer method for same Electricity 76 Expired
US6807479B2 Communication navigation system, information server unit and communication terminal unit for the same, and method and program for communication navigation Physics 67 Expired
US6804590B2 Electronic apparatus and data recording method in electronic apparatus Performing Operations; Transporting 42 Expired
US5500039A Gas-liquid separating apparatus Mechanical Engineering; Lighting; Heating 39 Expired
US6166596A High efficiency power amplifying apparatus with phase compensation circuit Electricity 35 Expired
US5671056A Three-dimensional form measuring apparatus and method Physics 34 Expired
US4995665A Sunroof structure for motor vehicle Performing Operations; Transporting 32 Expired
US6845239B1 Positioning system and position calculating method in mobile communication system Physics 29 Expired
US4977733A Four wheel steering tractor having a mid-mount mower Emerging Cross-Sectional Technologies 27 Expired
US5094472A Camber control system for motor vehicle Performing Operations; Transporting 21 Expired
US6380614B1 Non-contact type IC card and process for manufacturing same Electricity 20 Expired
US7047130B2 Road status data providing system Physics 20 Expired
US5834668A Keyboarding apparatus for electronic musical instrument with simplified mass member and method of making mass member Physics 19 Expired
US4971348A Camber control system for motor vehicle Performing Operations; Transporting 18 Expired
US5004349A Lighting apparatus and color measuring apparatus using the same Physics 18 Expired
US5796023A Keyboard apparatus with white keys and black keys having action member driving sections at substantially the same location Physics 18 Expired
US4882898A Connecting link structure for a lawn mower Emerging Cross-Sectional Technologies 15 Expired
US6748321B2 Navigation system equipped with portable sub-navigation unit Physics 14 Expired
US6091292A High efficiency power amplifying apparatus Electricity 14 Expired
US5824928A Keyboard apparatus for musical instrument Physics 14 Expired
US9705451B2 Power amplification module Electricity 14 Active
US4270373A Apparatus and process for the fluid lubrication drawing of composite metal wires Performing Operations; Transporting 13 Expired
US7681961B2 Brake system for vehicle Performing Operations; Transporting 13 Active
US5895875A Keyboard assembly for electronic musical instrument Physics 13 Expired

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