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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | Germany | 1 | |
#3 | United Kingdom | 1 | |
#4 | Japan | 1 | |
#5 | Taiwan | 1 | |
#6 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Control | |
#3 | Semiconductors | |
#4 | Machines | |
#5 | Computer technology |
# | 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 |
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 |