Patent assignee · JP · COMPANY

MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED

255Patents
43Active
255Granted
45Portfolio score

Filing activity: Aug 24, 1992 → Nov 11, 2020 · 5 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5404338A Synchronous type semiconductor memory device operating in synchronization with an external clock signal Mechanical Engineering; Lighting; Heating 165 Expired
US6166415A Semiconductor device with improved noise resistivity Electricity 164 Expired
US5815462A Synchronous semiconductor memory device and synchronous memory module Physics 121 Expired
US6287980A Plasma processing method and plasma processing apparatus Electricity 114 Expired
US5568103A Current control circuit of ring oscillator Electricity 70 Expired
US5892730A Synchronous semiconductor memory device operable in a plurality of data write operation modes Physics 66 Expired
US6252807A Memory device with reduced power consumption when byte-unit accessed Physics 64 Expired
US9713744B2 Exercise therapy device Human Necessities 60 Active
US5517462A Synchronous type semiconductor memory device operating in synchronization with an external clock signal Mechanical Engineering; Lighting; Heating 53 Expired
US6842366B2 Thin film magnetic memory device executing self-reference type data read Physics 50 Expired
US5991232A Clock synchronous memory embedded semiconductor integrated circuit device Physics 48 Expired
US6052329A Output circuit and synchronous semiconductor memory device having a function of preventing output of invalid data Physics 47 Expired
US6054016A Magnetically enhanced microwave plasma generating apparatus Electricity 46 Expired
US6011589A Picture coding device where the quantization step is adjusted in response to a motion vector Electricity 44 Expired
US5490119A Semiconductor device including signal generating circuit with level converting function and with reduced area of occupation Physics 44 Expired
US7233537B2 Thin film magnetic memory device provided with a dummy cell for data read reference Physics 43 Expired
US5877719A Method of controlling analog-to-digital converter Electricity 37 Expired
US5946268A Internal clock signal generation circuit including delay line, and synchronous type semiconductor memory device including internal clock signal Electricity 37 Expired
US5703541A Ring oscillator with two inverters per unit inverter circuit Electricity 37 Expired
US5453994A Semiconductor test system, semiconductor test method, method of wiring pattern formation and semiconductor integrated circuit Physics 36 Expired
US5519650A Semiconductor device having an improved immunity to a short-circuit at a power supply line Electricity 35 Expired
US6472926B2 Internal voltage generation circuit Emerging Cross-Sectional Technologies 33 Expired
US6418075B2 Semiconductor merged logic and memory capable of preventing an increase in an abnormal current during power-up Physics 32 Expired
US6400632B1 Semiconductor device including a fuse circuit in which the electric current is cut off after blowing so as to prevent voltage fall Physics 31 Expired
USD568257S1 Liquid crystal display for panel controller General 30 Expired

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