Patent assignee · JP · COMPANY

OKI Semiconductor Co., Ltd.

713Patents
661Active
713Granted
61Portfolio score

Filing activity: Feb 14, 1996 → Mar 19, 2012 · 613 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7811873B2 Method for fabricating MOS-FET Electricity 98 Active
US7666700B2 Method for fabrication MEMS-resonator Performing Operations; Transporting 45 Active
US7509859B2 Acceleration sensor with redundant contact holes Physics 44 Active
US7917733B2 Instruction code compression using instruction codes with reuse flags Physics 40 Active
US7508242B2 Driving circuit that eliminates effects of ambient temperature variations and increases driving capacity Electricity 26 Active
US8232783B2 Constant-voltage power supply circuit Physics 25 Active
US5646548A Efficient method and resulting structure for integrated circuits with flexible I/O interface and power supply voltages Electricity 24 Expired
US7600142B2 Integrated circuit conserving power during transitions between normal and power-saving modes Emerging Cross-Sectional Technologies 23 Active
US7576431B2 Semiconductor chip package and multichip package Electricity 20 Expired
US8039922B2 Variable capacitor employing MEMS technology Electricity 20 Active
US7944058B2 Semiconductor device and process for fabricating the same Electricity 20 Expired
US7649373B2 Semiconductor integrated circuit with voltage drop detector Physics 20 Active
US7662671B2 Semiconductor device and method for manufacturing the same Electricity 19 Active
US7663189B2 Silicon-on-sapphire semiconductor device with shallow lightly-doped drain Electricity 17 Active
US7571647B2 Package structure for an acceleration sensor Electricity 17 Expired
US8513778B2 Semiconductor device Electricity 15 Active
US7714619B2 High-frequency clock detection circuit Physics 15 Active
US7649249B2 Semiconductor device, stacked structure, and manufacturing method Electricity 15 Active
US7622394B2 Method of fabricating semiconductor device including forming a protective layer and removing after etching a trench Performing Operations; Transporting 15 Expired
US8063414B2 Compact standard cell Electricity 14 Active
US7560977B2 Step-up booster circuit Electricity 13 Active
US7568390B2 Semiconductor acceleration sensor device and method for manufacturing the same Electricity 13 Expired
US7581882B2 Temperature sensor Physics 13 Active
US7650787B2 Acceleration sensor Electricity 13 Active
US7905146B2 Inertial sensor Performing Operations; Transporting 13 Active

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