Learn more

TFR TECHNOLOGIES INC

Overview
  • Total Patents
    14
About

TFR TECHNOLOGIES INC has a total of 14 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States. Its main competitors in its focus markets basic communication technologies, machines and audio-visual technology are ARATAKE KIYOSHI, HANDY INT CO LTD and SKYWORKS FILTER SOLUTIONS JAPAN CO LTD.

Patent filings in countries

World map showing TFR TECHNOLOGIES INCs patent filings in countries
# Country Total Patents
#1 United States 14

Patent filings per year

Chart showing TFR TECHNOLOGIES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lakin Kenneth Meade 10
#2 Lakin Kenneth M 2
#3 Ketcham Richard S 2
#4 Rose Ralph Edward 2
#5 Mccarron Kevin Thomas 1

Latest patents

Publication Filing date Title
US6720844B1 Coupled resonator bulk acoustic wave filter
US6686128B1 Method of fabricating patterned layers of material upon a substrate
US6291931B1 Piezoelectric resonator with layered electrodes
US6242992B1 Interdigital slow-wave coplanar transmission line resonator and coupler
US6107721A Piezoelectric resonators on a differentially offset reflector
US6239536B1 Encapsulated thin-film resonator and fabrication method
US5942958A Symmetrical piezoelectric resonator filter
US6114635A Chip-scale electronic component package
US5894647A Method for fabricating piezoelectric resonators and product
US5777532A Interdigital slow wave coplanar transmission line
US5821833A Stacked crystal filter device and method of making
US5630949A Method and apparatus for fabricating a piezoelectric resonator to a resonant frequency
US5231327A Optimized piezoelectric resonator-based networks