Inventor
QING CHANG
Inventor
CN
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Fprimary
B22FWorking metallic powder6%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering4%
C23CCoating metallic material4%
G07CTime or attendance registers4%
H01JElectric discharge tubes or discharge lamps4%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers4%
H04WWireless communication networks4%
A61KPreparations for medical, dental or toiletry purposes2%
A61LMethods or apparatus for sterilising materials or objects in general2%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%
PatentTitleYear
12,589,749Powertrain, control apparatus and motor control unit202612,492,623Method and system for optimization of development by carbon dioxide injection based on incomplete miscibility characteristics202512,448,634Method for preparing V-type granular porous starch202512,413,885Sound collecting method, electronic device, and system202512,403,125Use of Ovatodiolide against SARS-CoV-2202512,278,096Shield cooling assembly, reaction chamber and semiconductor processing apparatus202512,252,776Carrying device and semiconductor processing apparatus202512,225,339Audio processing method, apparatus, and system202512,095,889Processing queue assignment based on a flag in a Geneve header202411,906,217Electronic expansion valve202411,686,124Method and system for operating key and lock core with wireless charging202311,628,231Static and mobile disinfection using high intensity narrow wavelength illumination202311,420,257Device and method for high-efficiency preparation of spherical metal powder for 3D printing employing separation into fibers202211,372,232Light valve, display device and display method202211,344,950Apparatus and method for preparing spherical metal powder based on one-by-one atomization method for uniform droplets202211,331,724Apparatus and method for efficiently preparing ultrafine spherical metal powder by one-by-one droplets centrifugal atomization method202211,189,117Method and system for controlling a smart lock2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Based in CN· patent location history
2022Patents assigned to CHANG QING (3)· patent assignee history
2022Patents assigned to HAN GUOFENG (3)· patent assignee history
2022Patents assigned to QIN ZHIYONG (3)· patent assignee history
2022Patents assigned to REN ZHIQIANG (3)· patent assignee history
2022Patents assigned to SHI JING (3)· patent assignee history
2024Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHANG QINGself | 3 | 2022 |
| HAN GUOFENG | 3 | 2022 |
| QIN ZHIYONG | 3 | 2022 |
| REN ZHIQIANG | 3 | 2022 |
| SHI JING | 3 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 16 | 2021–2026 |
| US | 1 | 2024 |