Patent assignee · COMPANY

NIPPON ELECTRIC CO., LTD.

1,049Patents
0Active
1,049Granted
47Portfolio score

Filing activity: Jun 13, 1969 → Dec 21, 1998

Most-cited patents

PatentTitleAreaCited byStatus
US4090096A Timing signal generator circuit Electricity 276 Expired
US4282405A Speech analyzer comprising circuits for calculating autocorrelation coefficients forwardly and backwardly Physics 262 Expired
US4388994A Flat-article sorting apparatus Emerging Cross-Sectional Technologies 226 Expired
US4500987A Loop transmission system Electricity 216 Expired
US4318058A Semiconductor diode laser array Electricity 191 Expired
US4456850A Piezoelectric composite thin film resonator Electricity 190 Expired
US4502754A Optical fiber interconnection mechanism Physics 185 Expired
US4577343A Sound synthesizer Physics 181 Expired
US4215369A Digital transmission system for television video signals Electricity 175 Expired
US4513435A System operable as an automaton for recognizing continuously spoken words with reference to demi-word pair reference patterns Physics 161 Expired
US4455609A Apparatus for realtime fast reconstruction and display of dose distribution Human Necessities 153 Expired
US4615581A Optical fiber connector Physics 152 Expired
US4382256A Paging receiver with display Physics 148 Expired
US4298962A Memory Electricity 137 Expired
US4158750A Speech recognition system with delayed output Physics 135 Expired
US4392135A Paging receivers Electricity 134 Expired
US4310827A Device for extracting a density as one of pattern features for each feature point of a streaked pattern Physics 130 Expired
US4355401A Radio transmitter/receiver for digital and analog communications system Electricity 126 Expired
US4433468A Method for making semiconductor device having improved thermal stress characteristics Electricity 120 Expired
US4247947A Mobile radio data communication system Electricity 119 Expired
US4550982A All-solid-state display including an organic electrochromic layer with ion donor/acceptor Physics 118 Expired
US4445204A Memory device Physics 118 Expired
US4178613A Television picture special effects system using digital memory techniques Electricity 115 Expired
US4514742A Printer head for an ink-on-demand type ink-jet printer Emerging Cross-Sectional Technologies 112 Expired
US4027100A Code transmission system having buffers of approximately equal capacities on both transmitting and receiving sides Electricity 107 Expired

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