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TROPIAN INC

Overview
  • Total Patents
    187
About

TROPIAN INC has a total of 187 patent applications. Its first patent ever was published in 1997. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets basic communication technologies, digital networks and telecommunications are CONTINENTAL ELECTRONICS CORP, SIGE SEMICONDUCTOR EUROP LTD and AXIOM MICRODEVICES INC.

Patent filings per year

Chart showing TROPIAN INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sander Wendell B 43
#2 Meck Ronald A 34
#3 Mccune Earl W 33
#4 Sander Wendell 32
#5 Mccune Earl W Jr 29
#6 Schell Stephan V 25
#7 Sander Brian 24
#8 Mccune Jr Earl W 15
#9 Booth Richard W D 8
#10 Biedka Thomas E 8

Latest patents

Publication Filing date Title
US6816016B2 High-efficiency modulating RF amplifier
US2005024147A1 Power distribution and biasing in RF switch-mode power amplifiers
US2004247041A1 Digital time alignment in a polar modulator
US2004183512A1 Extremely high-speed switchmode DC-DC converters
TW200417244A Image reject circuit using sigma-delta conversion
US2003186656A1 Method and apparatus for combining two AC waveforms
US7012984B2 PLL noise smoothing using dual-modulus interleaving
US2003123596A1 Frequency synthesizer for dual mode receiver
US6653896B2 Differential rf/microwave power amplifier using independent synchronized polar modulators
US6867574B2 Switch mode power supply and driving method for efficient RF amplification
US6624695B2 Waveform pershaping for efficiency improvements in DC to RF conversion
US2005281360A1 Reduction of average-to-minimum power ratio in communications signals
TW530452B Variable bias control for switch mode RF amplifier
US6690215B2 Sigma-delta-based frequency synthesis
US6781452B2 Power supply processing for power amplifiers
US7071792B2 Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance
US6587018B1 Notch filter and method
US7027545B2 Data sampler for digital frequency/phase determination
US6580329B2 PLL bandwidth switching
US7010276B2 Communications signal amplifiers having independent power control and amplitude modulation