Learn more

CHO CHANG HWAN

Overview
  • Total Patents
    24
About

CHO CHANG HWAN has a total of 24 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Republic of Korea, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets engines, pumps and turbines, transport and electrical machinery and energy are CAMBAY EDMOND, GEOFFROY LAURENT and SINCLAIR G O.

Patent filings in countries

World map showing CHO CHANG HWANs patent filings in countries

Patent filings per year

Chart showing CHO CHANG HWANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cho Chang Hwan 23
#2 Cho Dong Gyu 10
#3 Cho Tae Gyu 6
#4 Cho Mi Hae 5
#5 Park Oh Suk 4
#6 Jeon Tae Boong 3
#7 Lee Hyeon Woo 3
#8 Jeo Sung Woo 3
#9 Park Jae Sool 1
#10 Cho Hyun Kyung 1

Latest patents

Publication Filing date Title
WO2008056838A1 System and method for controlling network traffic
KR20060094510A Generrator electricity by using weightlessness accelerator elasticity
KR100653634B1 System and method for controlling a traffic of a net-work
KR20060103761A Amplified electric energy producing system
KR20060081871A An magnetic levitated train using hydraulic lift power turbine
KR20060081872A An floatage electric ship using hydraulic lift power turbine
KR20050105860A Amplified electric energy produceing system
KR20050099143A Amplified electric energy produceing system
KR20050032756A An floatage electric ship using hydraulic lift power turbine
KR20050032757A An magnetic levitated train using hydraulic lift power turbine
KR20050028236A An amplifier of electric energy using a generating system
KR20040055485A An floatage electric ship using hydraulic lift power turbine
KR20040057051A An magnetic levitated train using hydraulic lift power turbine
KR20040031396A An amplifier of electric energy using a generating system
KR20030068921A An amplifier of electric energy using a hydraulic generating system
KR20030068990A An electric locomotive using an amplifier of electric energy by hydraulic generating system
KR20030041453A Method and device for generating electricity using hydraulic lift power turbine
KR20000058413A Device for generating electricity using hydraulic lift power turbine
KR20010059931A Electric car equipped with hydraulic lift power turbine
KR20010059933A Ship equipped with hydraulic lift power turbine