Inventor
Qifeng Shan
Inventor
Santa Clara, CA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices31%
H10HInorganic light-emitting semiconductor devices having potential barriers23%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1023%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
H05BElectric heating8%
H10KOrganic electric solid-state devices8%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2019Patents assigned to LUMINUS INC (3)· patent assignee history
2018–2019Based in Santa Clara, CA, US· patent location history
2019Based in San Jose, CA, US· patent location history
2021Patents assigned to YUNGU GUAN TECH CO LTD (1)· patent assignee history
2021Based in Langfang, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUMINUS INC | 3 | 2018–2019 |
| YUNGU GUAN TECH CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Clara, California, US | 2 | 2018–2019 |
| Langfang, CN | 1 | 2021 |
| San Jose, California, US | 1 | 2019 |