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WANGTEK INC

Overview
  • Total Patents
    24
About

WANGTEK INC has a total of 24 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology, computer technology and control are INOUE SHINJI, THOMPSON NATHAN CHRISTOPHER and CHERUBINI GIOVANNI.

Patent filings in countries

World map showing WANGTEK INCs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Harman Jefferson H 7
#2 Baheri Hamid 5
#3 Bryer Philip 4
#4 Tollum Ronald E 3
#5 Vuong Binh 3
#6 Campbell Peter 2
#7 Griffith Daniel L 2
#8 White Charles D 2
#9 Copolillo Clement R 2

Latest patents

Publication Filing date Title
US5388011A Peak detector with look ahead
US5483394A Filtered average servo demodulator
US5384790A Magnetic recording system with pulse qualification and error correction circuitry
US5438462A Magnetic storage devices with dynamic boost adjustment to reduce read errors
US5383064A Automatic closed loop adjustment of analog read signals under microprocessor control
US5285331A System for aligning a read head gap over a track of magnetic data
EP0562390A2 Magnetic tape cartridge drive with automatic pre-loading
WO9401861A1 Servo controlled magnetic head positioner
US5386326A Oscillating erase current circuit
EP0551570A1 System for aligning a read head gap over a track of magnetic data
US5414722A Selective data synchronizer
US5291348A High density servo tracking
US5204792A Cartridge tape drive
US5208523A Stepper motor with vernier control mode
WO9209074A1 System and method of controlling data transfer rate in a magnetic tape drive
US5132858A Magnetic head positioner
EP0489088A1 Magnetic head positioner
US5371639A Magnetic tape cartridge drive with automatic loading