Patent assignee · JP · COMPANY

FUJITSU MICROELECTRONICS LIMITED

471Patents
353Active
471Granted
55Portfolio score

Filing activity: Mar 22, 1983 → Mar 30, 2009 · 353 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7500211B2 Unit cell of semiconductor integrated circuit and wiring method and wiring program using unit cell Electricity 121 Active
US7605041B2 Semiconductor device and its manufacture method Electricity 121 Active
US7645665B2 Semiconductor device having shallow b-doped region and its manufacture Electricity 120 Active
US7598541B2 Semiconductor device comprising transistor pair isolated by trench isolation Electricity 109 Expired
US7592241B2 Semiconductor device having well with peak impurity concentrations and method for fabricating the same Electricity 108 Expired
US7667227B2 Semiconductor device and fabrication method thereof Emerging Cross-Sectional Technologies 67 Active
US7583851B2 Apparatus and method for processing an image Physics 58 Active
US4584653A Method for manufacturing a gate array integrated circuit device Physics 55 Expired
US7671417B2 Memory cell array, method of producing the same, and semiconductor memory device using the same Electricity 43 Active
US7514355B2 Multilayer interconnection structure and method for forming the same Electricity 43 Expired
US7609039B2 Controller and control method for DC-DC converter Emerging Cross-Sectional Technologies 43 Expired
US5870052A Successive approximation type analog to digital converter with repetitive conversion cycles Electricity 30 Expired
US7583553B2 Semiconductor memory and refresh cycle control method Physics 30 Active
US7554305B2 Linear regulator with discharging gate driver Physics 27 Expired
US7507666B2 Manufacture method for semiconductor device having concave portions filled with conductor containing Cu as its main composition Electricity 27 Active
US7601576B2 Method for fabricating semiconductor device Electricity 26 Expired
US7619269B2 Semiconductor device, manufacturing process thereof and imaging device Electricity 25 Expired
US7649232B2 P-channel MOS transistor, semiconductor integrated circuit device and fabrication process thereof Electricity 25 Expired
US7616250B2 Image capturing device Electricity 25 Expired
US7620054B2 Network switching device and network switching method Electricity 22 Active
US7557846B2 Solid-state image sensor including common transistors between pixels Electricity 22 Active
US7660184B2 Semiconductor memory for disconnecting a bit line from a sense amplifier in a standby period and memory system including the semiconductor memory Physics 15 Active
US7507659B2 Fabrication process of a semiconductor device Electricity 15 Active
US7572172B2 Polishing machine, workpiece supporting table pad, polishing method and manufacturing method of semiconductor device Performing Operations; Transporting 15 Active
US7554448B2 RFID transponder and RFID transponder chip Physics 15 Active

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