Inventor · Tokyo, JP

Seiji Ito

35Patents
9h-index
64Co-inventors
78Inventor score

Filing activity: Jun 4, 1982 → May 16, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6074487A Unit for vaporizing liquid materials Chemistry; Metallurgy 32 Expired
US5556059A Device for guiding wire harness of steering column Performing Operations; Transporting 31 Expired
US5229563A Pressure cooker Emerging Cross-Sectional Technologies 24 Expired
USD294926S Automobile tire General 22 Expired
US5367830A Roof-side weather strip for a motor vehicle Performing Operations; Transporting 15 Expired
US4506857A Adjustable mounting for a motor on a base Electricity 15 Expired
US5766703A Automobile weather strip Emerging Cross-Sectional Technologies 12 Expired
US6124043A Biaxially oriented film Emerging Cross-Sectional Technologies 11 Expired
US7735877B2 Connection structure for resin pipe Mechanical Engineering; Lighting; Heating 10 Expired
US8648259B2 Accordion-style grommet with shape-influencing stiffeners Electricity 9 Active
US6933439B2 Waterproof grommet Electricity 9 Expired
USD313385S Automobile tire General 7 Expired
US7796724B2 X-ray fluoroscopic system Physics 6 Active
US10850376B2 Tensioning device Mechanical Engineering; Lighting; Heating 4 Active
US10022659B2 Device for isolating periphery circulating tumor cells or rare cells, and method of isolating periphery circulating tumor cells or rare cells Physics 3 Active
US6896746B2 Hot-rolled steel wire rods and bars usable for machine structural use without annealing and method for producing the same Chemistry; Metallurgy 3 Expired
US8476372B2 Polyester fiber and method for its production, and tire cord, tire, belt-reinforcing fiber material and belt comprising the polyester fiber Emerging Cross-Sectional Technologies 2 Active
US6048627A Biaxially oriented polyethylene naphthalate copolymer film Emerging Cross-Sectional Technologies 2 Expired
US7868450B2 Semiconductor package Electricity 1 Active
US9968932B2 Microchannel chip for microparticle separation, microparticle separation method and system for microparticle separation using chip Physics 1 Active
US10794416B2 Tensioning device Mechanical Engineering; Lighting; Heating 1 Active
US7772491B2 Structure of interconnection fitting of division protectors Electricity 1 Active
US11819964B2 Nut and bolt tightening method and tightening device Performing Operations; Transporting 1 Active
US9199364B2 Torque driver Performing Operations; Transporting 1 Active
US10828759B2 Tensioning device Mechanical Engineering; Lighting; Heating 1 Active

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