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OH CHANG JOON

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    212,756
About

OH CHANG JOON has a total of 16 patent applications. Its first patent ever was published in 2007. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets agriculture, environmental technology and medical technology are ZHEJIANG BOREN IND & TRADE CO LTD, GERMAINE MICHEL and KOO KI HYUN.

Patent filings in countries

World map showing OH CHANG JOONs patent filings in countries
# Country Total Patents
#1 Republic of Korea 16

Patent filings per year

Chart showing OH CHANG JOONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oh Chang Joon 16

Latest patents

Publication Filing date Title
KR102228162B1 Probe holder
KR20190082459A Cold brew coffee extraction using
KR101722361B1 Method for roasting coffee beans
KR20130108014A Medium flat filler with pressing device for tray of forest nursery
KR101256930B1 Clip for clipping grafted point of fruit vegetable
KR20130015917A Foot rest apparatus capable of giving pressure therapy and massage for a leg
KR20120139111A 4 divided tray for making nursery of onion which is possible 4-seeds seeding work per each cell
KR20120117088A A plant resources production system using a monorail type
KR20110010167A System for storing rainwater and keeping the rainwater quality
KR20100104893A System for storing and dividing rainwater to the farm
KR20090120056A Automatic sowing system
KR20090120057A Sowing omission sensing device and seeds supplement device
KR20090110421A Automatic sowing device
KR20090110420A Device and method for tray auto-loading
KR20080071671A Auto feeder of tray for nursery
KR20080071674A Clip available for grafting work