Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12383516 | Albuterol aerosol suspension formulation for oral inhalation with high amount of green propellant hydrofluoroolefin (HFO) and free of co-solvent | Jack Yongfeng Zhang, Ying Wang, Ray Lameng Lei | 2025-08-12 |
| 11726049 | Small angle x-ray scattering methods for characterizing the iron core of iron carbohydrate colloid drug products | Jack Yongfeng Zhang, Thang Kien Chiu, Anthony D. Marrs, Selina Su | 2023-08-15 |
| 11524987 | Highly purified recombinant human insulin (RHI) API and methods of producing the same | Jie Fei Ding, Aili Bo, Jack Yongfeng Zhang, Zhongli Bao | 2022-12-13 |
| 7341078 | Automatic container bulk filling process | Frank Zhi Shi Xia, Zhi Dong Lou, Jack Zhang | 2008-03-11 |
| 7219816 | Easily sealed and opened pre-filled, disposable pipette | Frank Zhishi Xia, Jack Yongfeng Zhang | 2007-05-22 |
| 6457612 | Sealable and manipulable pre-filled disposable pipette | Jack Yongfeng Zhang, Frank Zhishi Xia | 2002-10-01 |
| 6425403 | Hair dyeing process utilizing a heat application device | Richard Chun Lin Lu, Charles Can Lin Wu, Jack Zhang | 2002-07-30 |
| 6399087 | Propofol formulation with enhanced microbial inhibition | Jack Yongfeng Zhang, Jie Fei Ding | 2002-06-04 |
| 5205000 | Dual water-level toilet flushing apparatus | Frank Zhishi Xia, Jack Yongfeng Zhang | 1993-04-27 |