Patent assignee · JP · COMPANY

DDK LTD.

142Patents
59Active
142Granted
45Portfolio score

Filing activity: Jul 10, 1995 → Jun 27, 2017 · 38 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7901218B2 Receptacle and a plug with fixtures to attach to substrates and engaging each other to form a power supply contact Electricity 39 Active
US5993258A Electrical connector Electricity 36 Expired
US7766680B2 Flexible circuit board connector Electricity 32 Active
US5611708A Electric connector Electricity 31 Expired
USD688210S1 Electrical connector General 29 Active
US7044773B2 Connector Electricity 26 Expired
US7427206B2 Card connector Physics 26 Active
USD601505S1 Electric connector General 25 Expired
US5647755A Electrical connector Electricity 25 Expired
USD539226S1 Electric connector General 23 Expired
USD562774S1 Electric connector General 22 Expired
US7094093B2 Connector Electricity 22 Expired
US5954541A Electrical connector and method for connecting cable to the same Electricity 21 Expired
US6905368B2 Connector for use with high frequency signals Electricity 20 Expired
USD539227S1 Electric connector General 20 Expired
USD601506S1 Electric connector General 19 Expired
US7887350B2 Floating connector with a fixture to limit vertical movement of the connector Electricity 18 Active
USD543944S1 Electric connector General 17 Expired
USD576103S1 Electric connector General 17 Expired
US7435122B2 Connector Electricity 17 Active
US5667412A Press-in contact Electricity 17 Expired
US6951487B2 Multiconductor connector adapted to be connected to a plurality of paired cables for high-speed transmission a signal Electricity 16 Expired
US5727970A Interface connector Electricity 16 Expired
US5957736A Electronic part Emerging Cross-Sectional Technologies 16 Expired
US9608349B2 Contact having two contact portions with their central lines in one plane Electricity 16 Active

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