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FREQUENCY TECHNOLOGY INC

Overview
  • Total Patents
    11
About

FREQUENCY TECHNOLOGY INC has a total of 11 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, control and semiconductors are WAFER MEMS CO LTD, NM SPINTRONICS AB and OGAWA HIDEKI.

Patent filings in countries

World map showing FREQUENCY TECHNOLOGY INCs patent filings in countries

Patent filings per year

Chart showing FREQUENCY TECHNOLOGY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wroblewski Theodore 5
#2 Chang Keh-Jeng 4
#3 Chou Shih-Tsun Alexander 3
#4 Mathews Robert G 3
#5 Kaufman Douglas 1
#6 Seodoa Urobureusukii 1
#7 Walker Martin 1

Latest patents

Publication Filing date Title
US6057171A Methods for determining on-chip interconnect process parameters
US5901063A System and method for extracting parasitic impedance from an integrated circuit layout
US4327311A Inductor-capacitor impedance devices and method of making the same
US4368407A Inductor-capacitor impedance devices and method of making the same
DE2809836A1 Ferro-resistant, voltage regulating transformer - keeps flux variations in two cores continuously out of phase to maintain constant level
JPS54111624A Transformer for voltage regulation
GB1597665A Voltage regulating transformer
US3987339A Constant power lamp ballast
US4075547A Voltage regulating transformer