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AMST CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    223,132
About

AMST CO LTD has a total of 25 patent applications. Its first patent ever was published in 1999. It filed its patents most often in Republic of Korea, China and United States. Its main competitors in its focus markets measurement, machines and audio-visual technology are BEAMIND, CENTALIC TECH DEV LTD and WENTWORTH LAB INC.

Patent filings in countries

World map showing AMST CO LTDs patent filings in countries

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Song Byung Chang 13
#2 Kim Dong Il 12
#3 Chung In Buhm 10
#4 Yoon Sung Hee 3
#5 Shim Yun Hee 3
#6 Chung In-Buhm 3
#7 Yoo Seung Ho 3
#8 Kim Sang Hoon 3
#9 Jeong Ha Poong 2
#10 An Hyun Sang 2

Latest patents

Publication Filing date Title
KR101757860B1 Probe, probe card and fabrication method of the same
KR20170083671A Metal pad structure and fabrication method of the same
KR20140143516A Method for making of probe and one body type probe
KR20110004635A Probe card
KR20100071750A Probe card with planarization module
WO2009048255A2 Method for wafer test and probe card for the same
KR20100031160A Probe card and method for wafer test using the same
KR100798724B1 Method for wafer test and probe card for the same
KR100806736B1 Probe card and method for fabricating the same
KR100805217B1 Probe card
KR20030065978A Structure of a micro-cantilever type probe card
US2002008530A1 Micro cantilever style contact pin structure for wafer probing
KR20020022988A Precision moisture meter using combination of dual high frequency change