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COSMOTAN INC

Overview
  • Total Patents
    19
About

COSMOTAN INC has a total of 19 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Republic of Korea, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology, computer technology and control are TAKAKUWA NOBUYUKI, MOON SEONG-JIN and NIPPON BICKTER KK.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Choi Won Yong 8
#2 Lee Byeong Cheol 6
#3 Choi Wonyong 4
#4 Choi Won Sik 3
#5 Jung Sang Heon 2
#6 Choi Won-Sik 2
#7 Jeong Sang-Hun 2
#8 Choi Won-Yong 2
#9 Lee Byoung-Chul 2
#10 Won-Yong Choi 2

Latest patents

Publication Filing date Title
KR20050045520A Time-scale modification method for digital audio signal and digital audio/video signal, and variable speed reproducing method of digital television signal by using the same method
CN1669070A Audio signal time-scale modification method using variable length synthesis and reduced cross-correlation computation
KR20040013729A Audio signal time-scale modification method using variable length synthesis and reduced cross-correlation computations
KR20030015579A time-scale modification method of audio signals of which playback time is substantially acculately proportional to a designated playback-time-varying ratio and apparatus for the same
KR20020049087A Method of reproducing audio signal without causing tone variation upon fast or slow reproducing mode and reproducing apparatus for the same
KR20000063615A Method of Reproducing Audio Signal Corresponding to Partially Designated Text Data and Reproducing Apparatus for the Same
KR20010110859A wireless-Internet based contents providing method for raising listening ability of foreign language
KR20010107238A Method of Processing Audio Signal
KR20010039560A Apparatus For Study Aid Using Replay of a Stored Question/Answer Sentence
KR20010076136A portable reading apparatus
KR20010029111A Apparatus For Foreign Language Listening Aid
KR20000047295A Voice signal processing method and apparatus for processing voice signal