Takatoshi Ooki
34Patents
7h-index
35Co-inventors
65Inventor score
Filing activity: Feb 18, 2002 → Jan 22, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.