Patent assignee · ES · COMPANY

Telefonica de Espana, S.A.

51Patents
0Active
51Granted
36Portfolio score

Filing activity: Aug 9, 1989 → Dec 1, 1997

Most-cited patents

PatentTitleAreaCited byStatus
US5570450A Junction and modular optical sharing terminal assembly Physics 134 Expired
USD395677S Information panel General 107 Expired
US5797568A Multi-position television monitor stand Emerging Cross-Sectional Technologies 59 Expired
US5138648A Public modular-telephone management system Electricity 43 Expired
USD407391S Icon for a display screen General 32 Expired
US4974257A Modular public telephone for outside use Electricity 31 Expired
USD421816S Modular lighting fixture General 26 Expired
US5829202A System of internal modular structures creating an office environment Fixed Constructions 23 Expired
USD393160S Display stand General 19 Expired
US5930258A Structure for an electronic data system Electricity 18 Expired
USD390204S Card reader General 17 Expired
USD415205S Indicator panel General 15 Expired
USD388646S Monitor support General 14 Expired
USD387927S Vertical support General 14 Expired
USD403870S Separator panel General 12 Expired
USD396572S Modular display stand with table General 12 Expired
US5224199A Universal access optical fiber junction box Physics 12 Expired
US6134247A Broadband line interface circuit Electricity 11 Expired
USD319827S Modular public telephone General 11 Expired
USD322255S Rear section of a subframe for supporting electronic telecommunications equipment General 10 Expired
USD388981S Table General 10 Expired
USD404925S Separator panel General 10 Expired
US5367521A Telecommunications packet switching system Electricity 9 Expired
USD394963S Display stand General 9 Expired
US5537093A Electrooptical line module for transmitting in level-1 synchronous digital hierarchy with synchronizing unit Electricity 8 Expired

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