Inventor · Ibaraki, JP

Yoshio Iimura

16Patents
11h-index
20Co-inventors
72Inventor score

Filing activity: Aug 9, 1988 → Aug 15, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
USD474445S1 Storage battery General 60 Expired
US7704052B2 Air compressor and method for controlling the same Mechanical Engineering; Lighting; Heating 43 Active
US7641449B2 Air compressor having a controller for a variable speed motor and a compressed air tank Mechanical Engineering; Lighting; Heating 42 Active
US8360166B2 Rotary striking tool Performing Operations; Transporting 41 Active
US8328524B2 Air compressor and method for controlling the same Mechanical Engineering; Lighting; Heating 39 Active
US4873479A Battery charger Emerging Cross-Sectional Technologies 34 Expired
US6204639A Battery charger determining charging conditions depending upon whether a cooling device is provided Electricity 30 Expired
USD313004S Battery charger General 23 Expired
US9833890B2 Electric tool and communication plug for electric tool Electricity 18 Active
US4998057A Method and apparatus for charging a battery Emerging Cross-Sectional Technologies 15 Expired
US7476088B2 Air compressor Mechanical Engineering; Lighting; Heating 11 Active
US8607892B2 Rotary striking tool Performing Operations; Transporting 9 Active
US5900719A Battery pack charger having a fail-safe heat-sensitive switch for preventing overcharge Electricity 9 Expired
US7017342B2 Air compressor and control method therefor Mechanical Engineering; Lighting; Heating 9 Expired
US7326038B2 Pressure switch mechanism and air compressor using the same mechanism Mechanical Engineering; Lighting; Heating 5 Expired
US9473055B2 Electric working machine Electricity 1 Active

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