Inventor
Hong Je Ryoo
Inventor
Changwon-si, KR
Overview
Patents· 4 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 systems50%
H03KPulse technique25%
H01FMagnets13%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
PatentTitleYear
9,697,949'Transformer and high voltage power supply apparatus having the same'20179,246,389'High precision DC to DC converter with wide load range and gate drive circuit for use therein'20168,964,419'Active voltage droop control-type pulse power generator'20157,843,087'Pulse power generator using semiconductor switch'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2016Patents assigned to KOREA ELECTRO TECH RES INST (2)· patent assignee history
2010–2017Based in Changwon-si, KR· patent location history
2015–2016Patents assigned to KOREA ELECTROTECH RES INST (2)· patent assignee history
2017Patents assigned to KERI KOREA ELECTROTECHNOLOGY RES INST (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRO TECH RES INST | 2 | 2010–2016 |
| KOREA ELECTROTECH RES INST | 2 | 2015–2016 |
| KERI KOREA ELECTROTECHNOLOGY RES INST | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Changwon-si, KR | 4 | 2010–2017 |