Top Inventors at Amphastar Pharmaceuticals All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Jack Yongfeng Zhang | 16 |
| 2 | Mary Ziping Luo | 10 |
| 3 | Mary Zi-ping Luo | 7 |
| #4 | Frank Zhishi Xia | 5 |
| #5 | Aili Bo | 5 |
| #6 | Haoning Zhang | 4 |
| #7 | Jeffrey Ding | 4 |
| #8 | Song Chen | 4 |
| #9 | Jie Fei Ding | 3 |
| #10 | Claude A. Piche | 2 |
| #11 | Jo Jan Filip Van Betsbrugge | 2 |
| #12 | Rong Zhou | 2 |
| #13 | Sankaram Mantripragada | 2 |
| #14 | Yinhua Qiu | 2 |
| #15 | Yonggang Xu | 2 |
| #16 | Zhengyuan Wu | 2 |
| #17 | Denny R. S. Ko | 1 |
| #18 | Dingyuan Fei | 1 |
| #19 | Frank Zhi Shi Xia | 1 |
| #20 | Hao-Ming Wei | 1 |
| #21 | Jaime Ray Arnett | 1 |
| #22 | James Luo | 1 |
| #23 | Jack Zhang | 1 |
| #24 | Jianxin Gao | 1 |
| #25 | Jundong Meng | 1 |
| #26 | Kevin Xie | 1 |
| #27 | Ray Lameng Lei | 1 |
| #28 | Selina Su | 1 |
| #29 | Thang Kien Chiu | 1 |
| #30 | Wencun Wang | 1 |
| #31 | Ying Wang | 1 |
| #32 | Yong Liu | 1 |
| #33 | Zhongli Bao | 1 |
| #34 | Zhi Dong Lou | 1 |
| #35 | Anthony D. Marrs | 1 |
| #36 | Andrew Thomas Snow | 1 |