Inventor
Shuai DU
Inventor
CN
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Bprimary
C08BPolysaccharides9%
C23CCoating metallic material9%
G09GArrangements or circuits for control of indicating devices using static means to present variable information9%
H10KOrganic electric solid-state devices9%
B05CApparatus for applying fluent materials to surfaces, in general4%
B23KSoldering or unsoldering4%
C08LCompositions of macromolecular compounds4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
C25DProcesses for the electrolytic or electrophoretic production of coatings4%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like4%
PatentTitleYear
12,435,162Preparation method for acetylated sodium hyaluronate202512,043,889Mask plate, method for fabricating the same, and mask plate assembly202411,993,839Mask and method of manufacturing the same, and mask assembly202411,987,937Airflow-enhanced embankment ventilation structure, composite embankment structure, and construction method thereof202411,948,967Polysilicon resistor202411,919,976Preparation and purification method for cationic quaternary ammonium salt of sodium hyaluronate in homogeneous medium202411,763,744Pixel driving circuit and method for controlling the same, and display apparatus202311,423,837Pixel driving circuit and method for controlling the same, and display apparatus202211,139,784Audio play circuit and audio play device2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2024Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history
2021–2025Based in CN· patent location history
2022–2024Patents assigned to BOE TECHNOLOGY GROUP CO LTD (4)· patent assignee history
2022–2024Patents assigned to CHENGDU BOE OPTOELECT TECH CO (4)· patent assignee history
2024–2025Patents assigned to SHANDONG FOCUSFREDA BIOTECH CO LTD (2)· patent assignee history
2024Patents assigned to NORTHWEST INST OF ECO ENVIRONMENT AND RESOURCES CHINESE ACADEMY OF SCIENCES (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOE TECHNOLOGY GROUP CO LTD | 4 | 2022–2024 |
| CHENGDU BOE OPTOELECT TECH CO | 4 | 2022–2024 |
| HUAWEI TECH CO LTD | 2 | 2021–2024 |
| SHANDONG FOCUSFREDA BIOTECH CO LTD | 2 | 2024–2025 |
| NORTHWEST INST OF ECO ENVIRONMENT AND RESOURCES CHINESE ACADEMY OF SCIENCES | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 9 | 2021–2025 |