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YUHAN SCHOOL FOUNDATION

Overview
  • Total Patents
    12
About

YUHAN SCHOOL FOUNDATION has a total of 12 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets electrical machinery and energy, measurement and civil engineering are ETTER MARCEL, ELDURAIL IND HANDEL and JONSSON RAGNAR.

Patent filings in countries

World map showing YUHAN SCHOOL FOUNDATIONs patent filings in countries
# Country Total Patents
#1 Republic of Korea 12

Patent filings per year

Chart showing YUHAN SCHOOL FOUNDATIONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cho Gyu Min 6
#2 Oh Won Seok 3
#3 Kwon Byeong Heon 2
#4 Choi Myeong Ryeol 2
#5 Cho Kyu Min 2
#6 Lee Baek Su 1
#7 Cho Kyoo-Min 1
#8 Lee Byeong Su 1
#9 Kim Young Tae 1
#10 Kwon Byug Heon 1

Latest patents

Publication Filing date Title
KR100613860B1 Apparatus of induction motor speed control using neural network
KR20060085095A Resonant transmitter using fsk modulation
KR20040033749A Multiplex modulation driving method and apparatus of the high frequency electronic ballast for the metal halide lamp
KR20020006096A Electric field supply-type moisture filter apparatus
KR20010104928A A switching system and A method for Resonant Inverters
KR20010010271A Audio amplifier using controlling the current of speaker
KR20010010270A deadtime minimization switching method for bridge type power converters
KR20010002391A Method for Converting Resolution for Full Screen Display
KR20010002392A Method for Digital Image Enlargement Using Delta-Shape Pseudomedian Filter
KR20000014725A Current control device of 6 pulse cyclo-converter
KR20000008771A Apparatus and methode for detecting speed of motor using alternate tacho-generator
KR20000008770A Rotational angle detecting system and method of electric motor using an ac tacho-generator