Ho Ping Cheng
16Patents
7h-index
9Co-inventors
55Inventor score
Filing activity: Apr 3, 1996 → Sep 15, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5879097A | Ring binder | Performing Operations; Transporting | 72 | Expired |
| US6036394A | Ring metals with linkage locking device | Performing Operations; Transporting | 71 | Expired |
| US7296946B2 | Ring binder mechanism | Performing Operations; Transporting | 65 | Expired |
| US7549817B2 | Ready lock ring binder mechanism | Performing Operations; Transporting | 41 | Expired |
| US7665926B2 | Ring mechanism with spring biased travel bar | Performing Operations; Transporting | 28 | Active |
| US7744300B2 | Ready lock ring binder mechanism | Performing Operations; Transporting | 11 | Active |
| USD533588S1 | Ring for a ring binder mechanism | General | 9 | Expired |
| US8038361B2 | Ready lock ring binder mechanism | Performing Operations; Transporting | 7 | Active |
| US7819602B2 | Ring binder mechanism | Performing Operations; Transporting | 6 | Active |
| US7891901B2 | Ready lock ring binder mechanism | Performing Operations; Transporting | 6 | Active |
| US8162556B2 | Actuator for a ring binder mechanism | Emerging Cross-Sectional Technologies | 4 | Active |
| US8414212B2 | Ring binder mechanism | Performing Operations; Transporting | 3 | Active |
| US8573876B2 | Soft close ring binder mechanism with mating ring tips | Performing Operations; Transporting | 3 | Active |
| US8147160B2 | Ring binder mechanism with polymeric housing and actuator | Performing Operations; Transporting | 2 | Active |
| US9863754B2 | Wafer alignment mark scheme | Electricity | 0 | Active |
| US9688091B2 | Ring binder mechanism | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.