Inventor
Jianhua Du
Inventor
Beijing, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation17%
B64DEquipment for fitting in or to aircraft17%
G06FElectric digital data processing17%
G07BTicket-issuing apparatus17%
H01LSemiconductor devices17%
H10DInorganic electric semiconductor devices17%
PatentTitleYear
10,970,940Ticket checking device, ticket checking method, and occupant seat position202110,923,505Method for fabricating a display substrate by generating heat with a light shielding layer for crystallization of a semiconductor layer20215,772,867'Fluid filtering machine with filtering membrane controlled by PLC'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Based in Taman Kedoya Baru Jakarta 11520, ID· patent location history
2021Patents assigned to BOE TECHNOLOGY GROUP CO LTD (2)· patent assignee history
2021Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOE TECHNOLOGY GROUP CO LTD | 2 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 2 | 2021 |
| Taman Kedoya Baru Jakarta 11520, ID | 1 | 1998 |