Ulsan
South Korea
3
2019-10-03
3
2020-06-30
These are the the leading inventors for applications assigned to Youngkyu LEE:
Youngkyu LEE based in Ulsan, KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Preventive maintenance method of driving device
#2 | 2019-10-03 ✅ Patent 10,706,709 granted on 2020-07-07Preventive maintenance method of driving device
#3 | 2019-10-03 ✅ Patent 11,472,669 granted on 2022-10-18Method of highly efficiently operating elevator by analyzing operation of elevator
Also check out Youngkyu Lee's (Ulsan, South Korea) applicant profile with 3 patent applications submitted.
170656 ⎘