Yu-Hua Chen
12Patents
11Active
12Granted
54Portfolio score
Filing activity: Mar 23, 2001 → May 9, 2023 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8386304B2 | Methods for interactive television and mobile device | Electricity | 15 | Active |
| US9227695B2 | Drive assembly of an electric bicycle | Performing Operations; Transporting | 9 | Active |
| US7878948B2 | Stepper | Human Necessities | 8 | Active |
| US8632441B2 | Multi-function exerciser | Human Necessities | 8 | Active |
| US6484452B2 | Self-opening/closing umbrella | Human Necessities | 4 | Expired |
| US10034146B2 | Control system, control device, and mobile device for vehicle | Electricity | 1 | Active |
| US10183227B2 | Electronic building block set with metal layer on outer surface of each building block | Electricity | 1 | Active |
| USD1039605S1 | Rotary pen | General | 1 | Active |
| US11931867B2 | Socket used in coordination with wrench | Performing Operations; Transporting | 1 | Active |
| US12315750B2 | Gas curtain device for front opening unified pod | Electricity | 0 | Active |
| US9302151B2 | Bowed stringed instrument bowing exercise apparatus and manufacturing method thereof | Physics | 0 | Active |
| US9545708B2 | Pneumatic motor with built-in striker mechanism | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.