Inventor
Kyung-ha Jee
Inventor
Bucheon-si, KR
Overview
Patents· 5 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 systems25%
H05BElectric heating25%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications25%
G05FSystems for regulating electric or magnetic variables6%
H02JElectric power networks6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
5,699,238'Zero voltage switching controller of resonance mode converter and electronic ballast using the same'19975,648,702'Dimming control circuit having feedback frequency control'19975,546,300'Zero voltage switching controller of resonance mode converter and electronic ballast using the same'19965,500,792'Zero-voltage switching type electronic ballast for fluorescent lamp'19965,349,283'Automatic voltage control circuit by using reactive power'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1997Patents assigned to SAMSUNG ELECTRONICS CO LTD (5)· patent assignee history
1994Based in Daejeon, KR· patent location history
1996–1997Based in Bucheon-si, KR· patent location history
1997Based in Buchon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 5 | 1994–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bucheon-si, KR | 3 | 1996–1997 |
| Buchon, KR | 1 | 1997 |
| Daejeon, KR | 1 | 1994 |