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CHOY DANIEL S J

Overview
  • Total Patents
    19
About

CHOY DANIEL S J has a total of 19 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets medical technology, audio-visual technology and optics are HUG GERHARD GMBH, CORAFLO LTD and 510 KARDIAC DEVICES INC.

Patent filings in countries

World map showing CHOY DANIEL S Js patent filings in countries

Patent filings per year

Chart showing CHOY DANIEL S Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Choy Daniel S J 18
#2 Case Robert B 2

Latest patents

Publication Filing date Title
US2008132752A1 Method and Apparatus for Treatment of Monofrequency Tinnitus Utilizing Sound Wave Cancellation Techniques
WO2008067230A1 Apparatus for axial compression of a patient's spine
US2007297620A1 Methods and Systems for Producing a Zone of Reduced Background Noise
US2008207986A1 Heart assist device
US6610019B2 Method and apparatus for treatment of monofrequency tinnitus utilizing sound wave cancellation techniques
US5290307A Spinal acupressure device
US4902273A Heart assist device
US4771765A Heart assist device and method of use
US4685446A Method for using a ventricular assist device
IL60061D0 Laser tunnelling device
US4207874A Laser tunnelling device
US3895637A Self propelled conduit traversing device
US3877838A Device for advancing material through a tube
US3179436A Ski pole seat