Inventor · Oyama, JP

Takashi Katou

51Patents
7h-index
80Co-inventors
75Inventor score

Filing activity: Jul 13, 1982 → Jan 24, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US10784804B2 Magnetization state control method and magnetization state control device Electricity 18 Active
US8893481B2 Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same Emerging Cross-Sectional Technologies 12 Active
US8569622B2 Wire harness Electricity 12 Active
US9062589B2 Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same Emerging Cross-Sectional Technologies 11 Active
USD707258S1 Catalytic converter General 11 Active
US8991160B2 Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same Emerging Cross-Sectional Technologies 10 Active
USD702736S1 Fluid-mixing device for a catalytic converter General 9 Active
US8932530B2 Reducing agent aqueous solution mixing device and exhaust gas post-treatment device Emerging Cross-Sectional Technologies 6 Active
US8813888B2 Vehicle body rear structure Performing Operations; Transporting 5 Active
US4495112A Variable venturi-type carburetor Mechanical Engineering; Lighting; Heating 4 Expired
US4476067A Device for controlling the operation of a carburetor Mechanical Engineering; Lighting; Heating 4 Expired
US9407051B2 Method of manufacturing waterproof intermediate spliced portion of wires and waterproof intermediate unit of wires Emerging Cross-Sectional Technologies 4 Active
US8973353B2 Exhaust gas post-treatment unit and construction vehicle carrying same Emerging Cross-Sectional Technologies 4 Active
US4443388A Device for adjusting the degree of opening of the throttle valve of a carburetor Mechanical Engineering; Lighting; Heating 4 Expired
US7493056B2 Image-forming-apparatus simulation apparatus, image forming apparatus simulation method, and program Physics 4 Active
US4434111A Variable venturi-type carburetor Emerging Cross-Sectional Technologies 4 Expired
US4465642A Variable venturi-type carburetor Emerging Cross-Sectional Technologies 4 Expired
US8916100B2 Reducing agent aqueous solution mixing device and exhaust gas post-treatment device Emerging Cross-Sectional Technologies 3 Active
US8739911B2 Structure for mounting power supply device in vehicle Performing Operations; Transporting 3 Active
US4493804A Variable venturi-type carburetor Mechanical Engineering; Lighting; Heating 3 Expired
US4506644A Exhaust gas-purifying device of an internal combustion engine Emerging Cross-Sectional Technologies 3 Expired
US8526029B2 Image forming apparatus providing configurable options for paper information initialization, image forming system and computer readable medium Performing Operations; Transporting 3 Active
US4562012A Variable venturi type carburetor Emerging Cross-Sectional Technologies 2 Expired
US4450117A Variable venturi-type carburetor Mechanical Engineering; Lighting; Heating 2 Expired
US4464311A Variable venturi-type carburetor Emerging Cross-Sectional Technologies 2 Expired

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