Inventor
YANGYANG LI
Inventor
CN
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Sprimary
G01SRadio direction-finding6%
H04BTransmission6%
H04WWireless communication networks6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
A23KFodder3%
B01DSeparation3%
B29CShaping or joining of plastics3%
C08JWorking-up3%
C12NMicroorganisms or enzymes3%
C12YEnzymes3%
PatentTitleYear
12,327,377Obtaining method for image coordinates of position invisible to camera, calibration method and system202512,259,488Method for determining positioning information and communication apparatus202512,184,347Angle positioning method, apparatus, and device202411,912,841Preparation method of microporous foam material with oriented cells202411,909,443ROF communication remote machine and ROF system2024D1005844Packaging box202311,828,177Comprehensive utilization method and test equipment for surface water, goaf and geothermal energy in coal mining subsidence area202311,791,476Method of fabricating a material for use in catalytic reactions202311,774,367Raman detection system, detection method and application thereof202311,450,799Micron-scale monocrystal film202211,155,793Phytase variants YeAPPA having improved gastric protein resistance and acid resistance, and increased catalytic efficiency2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to DU YONGKAI (1)· patent assignee history
2021–2025Based in CN· patent location history
2023Patents assigned to CITY UNIV OF HONG KONG SHENZHEN FUTIAN RESEARCH INSTITUTE (1)· patent assignee history
2023Based in HK· patent location history
2024–2025Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history
2024Patents assigned to COMBA NETWORK SYSTEMS CO LTD (1)· patent assignee history
2025Patents assigned to BLACK SESAME TECHNOLOGIES INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUAWEI TECH CO LTD | 2 | 2024–2025 |
| BLACK SESAME TECHNOLOGIES INC | 1 | 2025 |
| CITY UNIV OF HONG KONG SHENZHEN FUTIAN RESEARCH INSTITUTE | 1 | 2023 |
| COMBA NETWORK SYSTEMS CO LTD | 1 | 2024 |
| DU YONGKAI | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 10 | 2021–2025 |
| HK | 1 | 2023 |