Inventor · Nara, JP

Satoshi Ogawa

134Patents
15h-index
221Co-inventors
89Inventor score

Filing activity: Jul 24, 1974 → Sep 7, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4646160A Facsimile apparatus Electricity 79 Expired
US5608540A Preferential recording system for a facsimile apparatus Electricity 42 Expired
US4451569A Stable enzyme composition Chemistry; Metallurgy 39 Expired
US6169956A Vehicle navigation system providing for determination of a point on the border of a map stored in memory on the basis of a destination remote from the area covered by the map Physics 38 Expired
US8144388B2 Display apparatus and display sheet Physics 30 Active
US8514256B2 Device and method for recording image to electronic paper Physics 28 Active
US4833871A Apparatus for inserting optical fibers into a spacer having spiral grooves Physics 25 Expired
US5564519A Four-wheel traveling system for tipper Mechanical Engineering; Lighting; Heating 24 Expired
US7381128B2 Operating device of air conditioner for vehicle Emerging Cross-Sectional Technologies 21 Expired
US5422450A Vacuum circuit breaker actuating assembly Electricity 21 Expired
US4245674A Protective cover for a thermoresponsive tube Emerging Cross-Sectional Technologies 19 Expired
US6988591B2 Mine transportation management system and method using separate ore vessels and transport vehicles managed via communication signals Fixed Constructions 17 Expired
US5458993A Non-aqueous electrolyte battery and method of manufacturing same Emerging Cross-Sectional Technologies 17 Expired
US8673528B2 Toner, developer, toner accommodating container, process cartridge and image forming method Physics 15 Active
US5981129A Electrophotographic toner and method of manufacturing same Physics 15 Expired
US9377372B2 Small-sized load sensor unit Physics 13 Active
US3936564A Pressure-sensitive copying paper containing lactone compounds of pyridine-carboxylic acid Emerging Cross-Sectional Technologies 12 Expired
US9823144B2 Load sensor Physics 12 Active
US4188979A Protective cover for a thermoresponsive tube Emerging Cross-Sectional Technologies 11 Expired
US7814353B2 Power management system for a communication device Emerging Cross-Sectional Technologies 10 Active
US6506745B1 Medicinal compositions for treatment of atrial fibrillation Human Necessities 10 Expired
US5050006A Multi-address calling system Electricity 9 Expired
US6580044B2 Switch device and method of assembling switch device Electricity 9 Expired
US8778588B2 Toner for electrostatic charge development Physics 8 Active
US5996223A Wiring assembly producing method and a terminal connected wire inserting apparatus Emerging Cross-Sectional Technologies 8 Expired

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