Inventor · Tokyo, JP

Hiroshi Sasaki

341Patents
30h-index
426Co-inventors
93Inventor score

Filing activity: Aug 21, 1973 → Oct 19, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4979952A Ultrasonic vibration treatment apparatus Performing Operations; Transporting 1,396 Expired
US6125853A Flavor generation device Human Necessities 528 Expired
US6091203A Image display device with element driving device for matrix drive of multiple active elements Physics 463 Expired
US5825947A Optical reproducing system for multimedia information recorded with code data having function for correcting image reading distortion Physics 171 Expired
US4961424A Ultrasonic treatment device Human Necessities 163 Expired
US5469849A Ultrasound diagnosis apparatus Physics 117 Expired
US5565921A Motion-adaptive image signal processing system Electricity 115 Expired
US4787070A Coupler for ultrasonic transducer probe Emerging Cross-Sectional Technologies 113 Expired
US5073820A Image data coding apparatus and coding method Electricity 111 Expired
US7369308B2 Total internal reflection fluorescence microscope Physics 96 Expired
US5882331A Methods for puncturing an organ within a body cavity Human Necessities 92 Expired
US4402481A Articulated device for service component Emerging Cross-Sectional Technologies 84 Expired
US5170793A Ultrasonic probe Human Necessities 76 Expired
US4682497A Ultrasonic imaging apparatus Physics 58 Expired
US6302431A Air bag device Performing Operations; Transporting 51 Expired
US5774583A Information reproducing device for reproducing multimedia information recorded in the form of optically readable code pattern, and information recording medium storing multimedia information in the same form Physics 48 Expired
US7477796B2 Method for preparing compressed image data file, image data compression device, and photographic device Electricity 46 Active
US5463084A Photocurable silicone oxetanes Physics 45 Expired
US4775967A Beam spot control device using a thin micro lens with an actuator Physics 44 Expired
US5923542A Method and apparatus for driving piezoelectric transformer Electricity 40 Expired
US8342184B2 Non-combustion flavor inhalation article Human Necessities 39 Active
US5853399A Medical instruments and systems for puncturing an organ Human Necessities 39 Expired
US9038626B2 Liquid tank for aerosol inhalator Performing Operations; Transporting 39 Active
US5273132A Compact aerial lift vehicle with a vertically movable platform Performing Operations; Transporting 38 Expired
US5020117A Handwritten character string recognition system Physics 37 Expired

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