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YANG CHANG HAK

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    172,649
  • Filing trend
    ⇩ 50.0%
About

YANG CHANG HAK has a total of 17 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 1989. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets packaging and shipping, measurement and transport are PROBST GREIF FOERDERTECH, LUYMES & BAL AANNEMING and OLDENBURGER BETONSTEINWERKE.

Patent filings in countries

World map showing YANG CHANG HAKs patent filings in countries
# Country Total Patents
#1 Republic of Korea 17

Patent filings per year

Chart showing YANG CHANG HAKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Chang Hak 11
#2 Yang Chang-Hak 6
#3 Kwak Deuk Young 3

Latest patents

Publication Filing date Title
KR20190109659A Robot scavenger apparatus for cleaning window
KR101862082B1 Safety enhanced high-place working vehicle and controlling method thereof
KR101840283B1 High-place working vehicle and controlling method thereof
KR101840282B1 Method and system for controlling high-place working vehicle
KR20180137818A Apparatus for measuring water-depth in a vessel
KR20180137819A Apparatus for measuring water-depth in a vessel
KR101523288B1 Complex working device for vehicle of repairing an asphalt concrete pavement
KR101523287B1 Vehicle for repairing an asphalt concrete pavement
KR101513979B1 Asphalt concrete hopper, and vehicle for repairing an asphalt concrete pavement
KR100285771B1 Multi-purpose crane
KR100291310B1 Device for withdrawing power of truck
KR100221544B1 Crane for cargo-car
KR0168407B1 Small size crane
KR0122287B1 Crane for high place working
KR960008589B1 Crane for truck
KR960001135B1 Jack for vehicle repair
KR920000772B1 Jack for car-maintenance