Ren-Hao Liu
17Patents
5h-index
39Co-inventors
66Inventor score
Filing activity: Apr 22, 2002 → Dec 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6584293B1 | Process cartridge and developer container assembly | Physics | 15 | Expired |
| US6721525B2 | Cartridge with a replaceable toner container for a laser printing imaging apparatus | Physics | 6 | Expired |
| US7245860B2 | Toner cartridge | Physics | 5 | Expired |
| US6654581B2 | Foolproof device used in a process cartridge for an image forming apparatus | Physics | 5 | Expired |
| US6668145B2 | Toner cartridge opening control arrangement | Physics | 5 | Expired |
| US10241637B2 | Method for reducing power consumption in electronic devices | Emerging Cross-Sectional Technologies | 1 | Active |
| USD1052184S1 | Accessory for nail polisher | General | 0 | Active |
| US12012822B2 | Ultra-high power cementing apparatus integrated with remote control | Fixed Constructions | 0 | Active |
| USD1052183S1 | Accessory for nail polisher | General | 0 | Active |
| US10409684B2 | Method, device and storage medium for cleaning memory | Physics | 0 | Active |
| US6606473B1 | Toner container for use with a developing device in an image forming apparatus | Physics | 0 | Expired |
| US7076180B1 | Toner cartridge | Physics | 0 | Expired |
| US11170144B2 | Modeling method for high-density discrete particle multiphase system | Physics | 0 | Active |
| US8306463B2 | Toner cartridge with rotator and sliding cover for toner leakage reduction | Physics | 0 | Active |
| US12371561B2 | Thermoplastic vulcanizate material, article formed by the same and method for forming the same | Chemistry; Metallurgy | 0 | Active |
| US6665509B1 | Ejection mechanism for a toner container | Physics | 0 | Expired |
| US12244170B2 | Voltage conversion circuit, control method, DC/DC converter, and device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.