Learn more

CHOI DONG OK

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    200,438
  • Filing trend
    ⇩ 100.0%
About

CHOI DONG OK has a total of 12 patent applications. It decreased the IP activity by 100.0%. 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 measurement, environmental technology and telecommunications are TIANJIN CITY SHENCHI AUTOMOBILE PARTS CO LTD, UMEX KK and SAKAMOTO KOGYO KK.

Patent filings in countries

World map showing CHOI DONG OKs patent filings in countries
# Country Total Patents
#1 Republic of Korea 12

Patent filings per year

Chart showing CHOI DONG OKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Choi Dong Ok 12
#2 Choi Hee Won 2
#3 Choi Yung Won 2
#4 Cho Gyu Su 1
#5 Jeong Yeon Uk 1
#6 Seo Ho Cheol 1

Latest patents

Publication Filing date Title
KR101838443B1 Axial device for manufacturing catalytic converters
KR101853587B1 Improved structure of thermal insulation material metering device for catalytic converter
KR101458736B1 Metering device for the insulator of catalytic converter
KR101504865B1 Measuring device for the catalyst of the catalytic converter
KR101437293B1 Car muffler manufacturing equipment
KR101396695B1 Wrapping device for a catalytic converter assembly
KR101360610B1 Wrapping device for a catalytic converter assembly
KR100992103B1 Apparatus for measuring the diameter of a catalytic substrate converter
KR20030094191A The manufacturing method and its inserting device for a catalytic converter of automobile
KR20030094190A The press for the manufacturing catalytic converter of automobile
KR20010001508A Prevention apparatus of noise in an air escape of a car
KR20000046225A Method and apparatus for performing love-call using mobile telephone