Inventor · Hitachi, JP

Yoshifumi Abe

30Patents
9h-index
34Co-inventors
75Inventor score

Filing activity: Jul 5, 1995 → Mar 30, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6544009B2 Compressor and electric motor Electricity 31 Expired
US6808372B2 Compressor with built-in motor, and mobile structure using the same Mechanical Engineering; Lighting; Heating 22 Expired
US5597296A Scroll compressor having a check valve received in a stationary scroll member recess Emerging Cross-Sectional Technologies 21 Expired
US6779989B2 Method for connecting compressor with built-in electric motor and external wiring, connection device used therefor, and compressor with built-in electric motor using the same Electricity 18 Expired
USD466524S1 Electric driven compressor General 16 Expired
US9290827B2 Method of leaching copper and gold from sulfide ores Emerging Cross-Sectional Technologies 14 Active
USD470155S1 Electric driven compressor General 13 Expired
US6866487B2 Compressor with built-in motor and mobile structure using the same Emerging Cross-Sectional Technologies 11 Expired
US6669452B2 Compressor with built-in motor mounted on engine of mobile structure Emerging Cross-Sectional Technologies 9 Expired
US6733251B2 Compressor with built-in motor and mobile structure using the same Emerging Cross-Sectional Technologies 8 Expired
US7682420B2 Method for leaching gold Emerging Cross-Sectional Technologies 5 Active
USD466525S1 Electric driven compressor General 4 Expired
US7842120B2 Method of obtaining copper from ore Emerging Cross-Sectional Technologies 4 Active
US6283729A Closed compressor having a compression mechanism holder and method of assembling same Mechanical Engineering; Lighting; Heating 4 Expired
US7018185B2 Liquid recovery method and system for compression mechanism Mechanical Engineering; Lighting; Heating 3 Expired
US6739833B2 Compressor with built-in motor, and mobile structure using the same Mechanical Engineering; Lighting; Heating 2 Expired
US7472562B2 Compressor and mechanism for separating lubricating liquid Mechanical Engineering; Lighting; Heating 1 Expired
US8206595B2 Method of recovering silver using anion-exchange resin Emerging Cross-Sectional Technologies 1 Active
US8585798B2 Method for recovering metal from ore Emerging Cross-Sectional Technologies 1 Active
US6312236A Scroll compressor having a rotated oldham ring Mechanical Engineering; Lighting; Heating 1 Expired
US9045811B2 Process of leaching gold Emerging Cross-Sectional Technologies 1 Active
US8388730B2 Process of leaching gold Emerging Cross-Sectional Technologies 1 Active
US8911533B2 Method of recovering gold from dilute gold solution Emerging Cross-Sectional Technologies 0 Active
US5634782A Scroll compressor having a horseshoe-shaped partition wall on the stationary end plate Emerging Cross-Sectional Technologies 0 Expired
US9239052B2 Scroll compressor having out-of-phase back pressure chamber and compression chamber oil-feeding paths Mechanical Engineering; Lighting; Heating 0 Active

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