Sungchul Ahn
7Patents
2h-index
14Co-inventors
48Inventor score
Filing activity: Dec 30, 1996 → Dec 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11209762B2 | Method for error handling in the toner refill process | Physics | 5 | Active |
| US11294301B2 | Detecting toner injection amount of toner refill cartridge | Physics | 2 | Active |
| US5839153A | Windshield wiper system for vehicles | Performing Operations; Transporting | 1 | Expired |
| US12181805B2 | Method for error handling in the toner refill process | Physics | 0 | Active |
| US11294303B2 | Toner refill cartridge with pulverization member activated by elastic force | Physics | 0 | Active |
| USD907698S1 | Development cartridge for a printer | General | 0 | Active |
| US11892781B2 | Method for error handling in the toner refill process | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.