Inventor · Kasumigaura, JP

Takatoshi Ooki

34Patents
7h-index
35Co-inventors
65Inventor score

Filing activity: Feb 18, 2002 → Jan 22, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7272928B2 Hydraulic circuit of construction machinery Mechanical Engineering; Lighting; Heating 24 Expired
US7076947B2 Hydraulic circuit of construction machinery Mechanical Engineering; Lighting; Heating 16 Expired
US9926950B2 Hydraulic system for construction machinery Mechanical Engineering; Lighting; Heating 9 Active
US7979182B2 Swing drive system for construction machine Mechanical Engineering; Lighting; Heating 9 Active
US8924100B2 Hybrid construction machine Emerging Cross-Sectional Technologies 8 Active
US9290908B2 Hybrid construction machine Emerging Cross-Sectional Technologies 7 Active
US10184228B2 Hydraulic driving device of work machine Mechanical Engineering; Lighting; Heating 7 Active
US8959918B2 Hybrid construction machine Fixed Constructions 4 Active
US9133602B2 Information management system for construction machine Physics 4 Active
US9260838B2 Control system for construction machine Mechanical Engineering; Lighting; Heating 4 Active
US8958958B2 Hybrid construction machine Emerging Cross-Sectional Technologies 4 Active
US10161108B2 Hydraulic fluid energy recovery system for work Mechanical Engineering; Lighting; Heating 3 Active
US9581176B2 Construction machine having revolving structure Emerging Cross-Sectional Technologies 3 Active
US8991184B2 Hybrid construction machine Emerging Cross-Sectional Technologies 3 Active
US8950180B2 Hybrid construction machine Fixed Constructions 2 Active
US9394670B2 Construction machine Mechanical Engineering; Lighting; Heating 2 Active
US9926951B2 Energy regeneration system for construction machine Mechanical Engineering; Lighting; Heating 2 Active
US10301793B2 Hydraulic drive system for work machine Mechanical Engineering; Lighting; Heating 2 Active
US9249879B2 Hydraulic drive system for hydraulic working machine Mechanical Engineering; Lighting; Heating 2 Active
US10221871B2 Construction machinery Mechanical Engineering; Lighting; Heating 2 Active
US10280593B2 Hydraulic fluid energy regeneration device for work machine Mechanical Engineering; Lighting; Heating 2 Active
US9065361B2 Hybrid construction machine Emerging Cross-Sectional Technologies 2 Active
US10584722B2 Hydraulic fluid energy regeneration apparatus of work machine Mechanical Engineering; Lighting; Heating 2 Active
US10669695B2 Hydraulic driving device for working machine Mechanical Engineering; Lighting; Heating 2 Active
US9038375B2 Hydraulic working machine Emerging Cross-Sectional Technologies 2 Active

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