Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuan-Fong Chang | Top Vending Machine Electronics Co. | 2 |
| 2 | Li-Wei Lin | Top Victory Investments Limited | 1 |
| 2 | Gary Hsieh | — | 1 |
Part of Pennsylvania
4 patents · 3 inventors
Ranked #15,475 of 41,385 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuan-Fong Chang | Top Vending Machine Electronics Co. | 2 |
| 2 | Li-Wei Lin | Top Victory Investments Limited | 1 |
| 2 | Gary Hsieh | — | 1 |
Part of Pennsylvania