Patent assignee · US · COMPANY

NEC LTD TECHNOLOGIES, LTD.

5Patents
0Active
5Granted
32Portfolio score

Filing activity: Aug 23, 1991 → Sep 29, 2000

Most-cited patents

PatentTitleAreaCited byStatus
US5948031A Vehicle passenger sensing system and method Performing Operations; Transporting 93 Expired
US5241631A Personal computer having a local bus interface to a video circuit Physics 34 Expired
US6329914A Thickness measurement system and method for vehicle occupant detection Physics 33 Expired
US6329913A Passenger detection system and method Performing Operations; Transporting 31 Expired
US5285197A Method and apparatus for automatic selection of scan rates for enhanced VGA-compatible monitors Physics 24 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.