Inventor
Zhifeng Zhan
Inventor
Chengdu, CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices15%
H10KOrganic electric solid-state devices15%
G01FMeasuring volume, volume flow, mass flow or liquid level8%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock8%
G01SRadio direction-finding8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
G09FDisplaying8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
H10DInorganic electric semiconductor devices8%
Y02ATechnologies for adaptation to climate change8%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013Patents assigned to CHUNG WON-CHANG (1)· patent assignee history
2013Patents assigned to SAMSUNG DISPLAY CO LTD (1)· patent assignee history
2013Based in Yongin-si, KR· patent location history
2017Patents assigned to APPLE INC (1)· patent assignee history
2017Based in Cupertino, CA, US· patent location history
2020Patents assigned to BOE TECHNOLOGY GROUP CO LTD (1)· patent assignee history
2020Patents assigned to CHENGDU BOE OPTOELECT TECH CO (1)· patent assignee history
2020Based in Beijing, CN· patent location history
2021Based in Chengdu, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 1 | 2017 |
| BOE TECHNOLOGY GROUP CO LTD | 1 | 2020 |
| CHENGDU BOE OPTOELECT TECH CO | 1 | 2020 |
| CHUNG WON-CHANG | 1 | 2013 |
| SAMSUNG DISPLAY CO LTD | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chengdu, CN | 1 | 2021 |
| Beijing, CN | 1 | 2020 |
| Cupertino, California, US | 1 | 2017 |
| Yongin-si, KR | 1 | 2013 |