Yang Chen
10Patents
5h-index
12Co-inventors
63Inventor score
Filing activity: Nov 14, 2001 → Nov 25, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7512407B2 | Instant messaging system and method | Electricity | 122 | Expired |
| US9091295B1 | Safety hook | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US8412785B2 | Instant messaging system and method | Electricity | 7 | Active |
| US10143866B2 | Lockable anti-fall catch connector | Human Necessities | 6 | Active |
| US8560939B2 | Instant messaging system and method | Electricity | 6 | Active |
| US8190182B2 | Instant messaging system and method | Electricity | 5 | Active |
| US8566404B2 | Instant messaging system and method | Electricity | 4 | Active |
| US8190181B2 | Instant messaging system and method | Electricity | 4 | Active |
| US10415627B1 | Safety hook | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11809485B2 | Method for retrieving footprint images | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.