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ADTEC ENG CO LTD

Overview
  • Total Patents
    187
  • GoodIP Patent Rank
    36,933
  • Filing trend
    ⇧ 425.0%
About

ADTEC ENG CO LTD has a total of 187 patent applications. It increased the IP activity by 425.0%. Its first patent ever was published in 1991. It filed its patents most often in Republic of Korea, Taiwan and China. Its main competitors in its focus markets optics, audio-visual technology and semiconductors are ADTEC ENGINEENG CO LTD, ADTEC ENGINEERING CO LTD and MACDERMID IMAGING TECHNOLOGY.

Patent filings per year

Chart showing ADTEC ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakagawa Wataru 19
#2 Nagoya Jun 16
#3 Imai Hiroyuki 15
#4 Momose Katsumi 12
#5 Asami Masatoshi 11
#6 Ida Ryoichi 11
#7 Sangu Katsuya 11
#8 Kikuchi Hiroaki 9
#9 Mizutani Gunji 8
#10 Matsumoto Noriyoshi 8

Latest patents

Publication Filing date Title
TW200300524A Optical magnification adjustment system and projection exposure device
US6252649B1 Aligner
KR100216240B1 Circuit pattern inspection apparatus and method
GB9319933D0 Method for alignment employing film mask and aligner therefor
US5257067A Apparatus for placing film mask in contact with object