Inventor
Ming Hua Du
Inventor
Qinhuangdao, CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices29%
H05KPrinted circuits29%
H10DInorganic electric semiconductor devices14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
PatentTitleYear
10,681,824Waterproof circuit board and method for manufacturing the same202010,510,549Method of fabricating a metal layer201910,340,391Semiconductor device and method for fabricating the same20199,860,977'Transparent flexible printed circuit board and method for manufacturing the same'2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018Patents assigned to AVARY HOLDING (SHENZHEN) CO LTD (1)· patent assignee history
2018Patents assigned to HONGQISHENG PREC ELECTRONICS (QINHUANGDAO) CO LTD (1)· patent assignee history
2018–2020Based in Qinhuangdao, CN· patent location history
2019Patents assigned to UNITED MICROELECTRONICS CORP (2)· patent assignee history
2019Based in Singapore, SG· patent location history
2020Patents assigned to AVARY HOLDING SHENZHEN CO LTD (1)· patent assignee history
2020Patents assigned to HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNITED MICROELECTRONICS CORP | 2 | 2019 |
| AVARY HOLDING (SHENZHEN) CO LTD | 1 | 2018 |
| AVARY HOLDING SHENZHEN CO LTD | 1 | 2020 |
| HONGQISHENG PREC ELECTRONICS (QINHUANGDAO) CO LTD | 1 | 2018 |
| HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Qinhuangdao, CN | 2 | 2018–2020 |
| Singapore, SG | 2 | 2019 |