Top Inventors at Door & Window Hardware All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Wei-Hung Chang | 10 |
| 2 | Sung-Hui Lin | 6 |
| 3 | Chih-Lun Hsieh | 4 |
| #4 | Fanny Chiang | 2 |
| #5 | James Chang | 2 |
| #6 | Ching-Ko Lin | 1 |
| #7 | Dong-Shiuan Tsai | 1 |
| #8 | Hong Yan | 1 |
| #9 | Hsing-Hui Huang | 1 |
| #10 | Jung-Chang Peng | 1 |
| #11 | Ko-Yu Chang | 1 |
| #12 | Tung-Hsuan Tsai | 1 |
| #13 | Yi-Ming Lin | 1 |