Patent assignee · JP · COMPANY

XIROKU, INC.

10Patents
4Active
10Granted
37Portfolio score

Filing activity: Jan 8, 2001 → Dec 24, 2014 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7202860B2 Coordinate input device working with at least display screen and desk-top surface as the pointing areas thereof Physics 53 Expired
US6567078B2 Handwriting communication system and handwriting input device used therein Physics 47 Expired
US7414617B2 Coordinate input device working with at least display screen and desk-top surface as the pointing areas thereof Physics 36 Active
US6714311B2 Position detection device, position pointing device, position detecting method and pen-down detecting method Physics 34 Expired
US7477243B2 Apparatus for controlling the shift of virtual space and method and program for controlling same Physics 18 Expired
US7800362B1 Pressure distribution detector utilizing electromagnetic coupling Physics 7 Active
US7703342B2 Pressure distribution detection device Physics 5 Active
US8330726B2 Position detection apparatus using area image sensor Physics 3 Expired
US7703341B2 Pressure detecting apparatus utilizing electromagnetic coupling Physics 2 Expired
US10088946B2 Coordinate detection device having looped drive lines and detection lines Physics 0 Active

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