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EXTELL TECHNOLOGY CORP

Overview
  • Total Patents
    11
About

EXTELL TECHNOLOGY CORP has a total of 11 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Republic of Korea and United States. Its main competitors in its focus markets computer technology, telecommunications and civil engineering are AGAPI CIPRIAN, THINKENGINE NETWORKS INC and CERRA JOSEPH P.

Patent filings in countries

World map showing EXTELL TECHNOLOGY CORPs patent filings in countries
# Country Total Patents
#1 Republic of Korea 10
#2 United States 1

Patent filings per year

Chart showing EXTELL TECHNOLOGY CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Su Yeong 3
#2 Oh Sang Hun 2
#3 Choi Yun Gyeong 2
#4 Kim Chang Min 2
#5 Hwang Kyu Woong 2
#6 Oh Se Bin 2
#7 Lee Yun Seok 2
#8 Choi Yoon Kyung 1
#9 Oh Byoung Goo 1
#10 Lee Soo-Young 1

Latest patents

Publication Filing date Title
KR20050081470A Method for recording and play of voice message by voice recognition
KR20050036062A Data transferring apparatus using ear-phone jack of mobile-phone
KR20040107068A Hands-free, voice-operated remote control system and method for audio sound generating devices
KR20040087483A Controller with the recognition of impulse sound gap and amplitude
KR20040077252A A Handsfree terminal adaptor
KR20040021974A Voice Recognition Handsfree Apparatus for Vehicles
KR20040018623A Method for operating in handsfree kit
KR20040014688A Apparatus and Method for suppressing noise in voice telecommunication terminal
KR20030010432A Apparatus for speech recognition in noisy environment
KR20020095731A Apparatus for feature extraction of speech signals