Inventor · Osaka, JP

Fumio Kato

74Patents
14h-index
119Co-inventors
87Inventor score

Filing activity: Jan 20, 1976 → Apr 2, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US4898001A Gas turbine combustor Mechanical Engineering; Lighting; Heating 126 Expired
US5054280A Gas turbine combustor and method of running the same Mechanical Engineering; Lighting; Heating 54 Expired
US4603548A Method of supplying fuel into gas turbine combustor Mechanical Engineering; Lighting; Heating 46 Expired
US4297843A Combustor of gas turbine with features for vibration reduction and increased cooling Mechanical Engineering; Lighting; Heating 45 Expired
US5127229A Gas turbine combustor Mechanical Engineering; Lighting; Heating 41 Expired
US4833181A Polyolefin composition containing cellulose fibers and a deodorizer Chemistry; Metallurgy 32 Expired
US7569306B2 Alkaline battery and manufacturing method of positive electrode material therefor Electricity 24 Active
US5201181A Combustor and method of operating same Mechanical Engineering; Lighting; Heating 22 Expired
US6083642A Positive electrode material for alkaline storage battery, method of producing the same, and alkaline storage battery using the same Emerging Cross-Sectional Technologies 22 Expired
US5326315A Air passage changeover device Performing Operations; Transporting 21 Expired
US5081843A Combustor for a gas turbine Mechanical Engineering; Lighting; Heating 21 Expired
US4228359A Rotor-stress preestimating turbine control system Mechanical Engineering; Lighting; Heating 20 Expired
US4717743A Polyolefin-base resin composition Chemistry; Metallurgy 19 Expired
US6065922A Powder loading device with dust containment system Performing Operations; Transporting 19 Expired
US5613824A Automatic bag opening device Physics 14 Expired
US7052803B2 Lithium rechargeable battery Emerging Cross-Sectional Technologies 13 Expired
US5106564A Method of and apparatus for making fiber-reinforced polymer compositions Performing Operations; Transporting 13 Expired
US5649338A Automatic interior cleaning system for a powdered material processing device Performing Operations; Transporting 12 Expired
US4191508A Turbine rotor construction Emerging Cross-Sectional Technologies 12 Expired
US5459924A Method of inserting terminal with wire and apparatus therefor Emerging Cross-Sectional Technologies 12 Expired
US4990550A Fiber-reinforced polymer composition and method of producing same Performing Operations; Transporting 12 Expired
US7534074B2 Flow path switchover device for particulate transport Emerging Cross-Sectional Technologies 10 Active
US5278422A Normally open solid state relay with minimized response time of relay action upon being turned off Electricity 9 Expired
US6074785A Nickel/metal hydride storage battery Emerging Cross-Sectional Technologies 9 Expired
US6212766A Apparatus for inserting terminal with wire and driving a wire sweeping arm Emerging Cross-Sectional Technologies 8 Expired

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