Inventor · Hirakata, JP

Masami Naruse

12Patents
11h-index
11Co-inventors
58Inventor score

Filing activity: Oct 18, 2001 → Apr 28, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6725581B2 Construction equipment Emerging Cross-Sectional Technologies 79 Expired
US6708787B2 Hybrid construction equipment Emerging Cross-Sectional Technologies 68 Expired
US6820356B2 Hybrid powered construction equipment Fixed Constructions 54 Expired
US6922990B2 Device arrangement structure for hybrid construction equipment Emerging Cross-Sectional Technologies 54 Expired
USD462973S1 Power shovel General 51 Expired
US6678972B2 Hybrid construction equipment Emerging Cross-Sectional Technologies 51 Expired
USD463807S1 Operator cabin of power shovel General 33 Expired
USD463459S1 Operator's seat for construction machinery General 28 Expired
US7533527B2 Hydraulic drive device for work machine Performing Operations; Transporting 18 Expired
US6675508B2 Hydraulic shovel Physics 18 Expired
US6578296B2 Hydraulically driven type working machine Fixed Constructions 15 Expired
US7631495B2 Hydraulic drive device for work machine Performing Operations; Transporting 7 Expired

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