Inventor
Tangqian Cheng
Inventor
Wujiang, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets30%
H03HImpedance networks, e.g. resonant circuits30%
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 systems20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
10,157,708Wrapping method for common mode inductor201810,090,100Switching power supply, EMI filter, common mode inductor and wrapping method for the common mode inductor20189,859,866'Switching power supply, EMI filter, common mode inductor and wrapping method for the common mode inductor'2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018Patents assigned to DELTA ELECTRONICS JIANGSU LTD (2)· patent assignee history
2018Patents assigned to DELTA ELECTRONICS (JIANGSU) LTD (1)· patent assignee history
2018Based in Wujiang, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DELTA ELECTRONICS JIANGSU LTD | 2 | 2018 |
| DELTA ELECTRONICS (JIANGSU) LTD | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wujiang, CN | 3 | 2018 |