Inventor
ZHENJIANG LI
Inventor
CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis8%
A61NElectrotherapy8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
B08BCleaning in general8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
G06KGraphical data reading8%
G06VImage or video recognition or understanding8%
G10KSound-producing devices8%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
PatentTitleYear
12,464,282Dual-purpose circuit for sound emission and sound pickup applied to individual speaker unit202512,220,735Cleaning method and cleaning tool for negative-pressure component for battery formation202511,219,426Method and system for determining irradiation dose202211,149,115Method for preparing polylactone by ring opening2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to NANJING UNIVERSITY OF TECHNOLOGY (1)· patent assignee history
2021–2025Based in CN· patent location history
2022Patents assigned to TUMOR HOSPITAL OF SHANDONG FIRST MEDICAL UNIV SHANDONG CANCER HOSPITAL AND INSTITUTE (1)· patent assignee history
2025Patents assigned to GUANGZHOU OPSMEN TECH CO LTD (1)· patent assignee history
2025Patents assigned to ZHUHAI TITANS NEW POWER ELECTRONICS CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GUANGZHOU OPSMEN TECH CO LTD | 1 | 2025 |
| NANJING UNIVERSITY OF TECHNOLOGY | 1 | 2021 |
| TUMOR HOSPITAL OF SHANDONG FIRST MEDICAL UNIV SHANDONG CANCER HOSPITAL AND INSTITUTE | 1 | 2022 |
| ZHUHAI TITANS NEW POWER ELECTRONICS CO LTD | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 4 | 2021–2025 |