Ulsan
South Korea
5
2019-10-03
The entities that hold a legal rights for patent applications filed by inventor Lee Youngkyu:
Youngkyu Lee from Ulsan, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Preventive maintenance method of driving device
#2 | 2019-10-03Preventive maintenance method of driving device
#3 | 2019-10-03Method of highly efficiently operating elevator by analyzing operation of elevator
#4 | 2019-10-03Method of predictively maintaining elevator driving unit
#5 | 2018-07-19Method for monitoring driving unit of car body assembly line, and device therefor
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