Inventor
Sewan Heo
Inventor
Daejeon, KR
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems27%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters27%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications20%
H02JElectric power networks13%
G05FSystems for regulating electric or magnetic variables7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
10,651,680Uninterruptible power supply apparatus and method20209,602,032'BLDC motor system including parameter detecting circuit and operating method thereof'20179,325,261'Motor driving method and operating method thereof'20169,219,437'Position signal compensation unit of motor, and motor including the same'20159,000,737'Maximum power extraction device'20158,957,661'DC-DC converter with modulation mode switch'20158,937,472'DC-DC converter capable of configuring topology'20158,823,299'Power supply module for hall sensorless brushless direct current motor'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2016Patents assigned to KOREA ELECTRONICS TELECOMM (6)· patent assignee history
2014–2015Patents assigned to HEO SEWAN (3)· patent assignee history
2014–2015Patents assigned to YANG YIL SUK (3)· patent assignee history
2014–2020Based in Daejeon, KR· patent location history
2015Patents assigned to KWON JONG KEE (2)· patent assignee history
2017–2020Patents assigned to ELECTRONICS & TELECOMMUNICATIONS RES INST (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRONICS TELECOMM | 6 | 2014–2016 |
| HEO SEWANself | 3 | 2014–2015 |
| YANG YIL SUK | 3 | 2014–2015 |
| ELECTRONICS & TELECOMMUNICATIONS RES INST | 2 | 2017–2020 |
| KWON JONG KEE | 2 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 8 | 2014–2020 |