Mary Zi-ping Luo — 10 Patents at Amphastar Pharmaceuticals

Mary Zi-ping Luo has been granted 10 US patents while listed as an inventor at Amphastar Pharmaceuticals. The first was granted in 1993 and the most recent in December 2025. Mary Zi-ping Luo ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Mary Zi-ping Luo in Rancho Cucamonga, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12496272	Stable epinephrine suspension formulation for inhalation with HFO propellant	Jack Yongfeng Zhang, Yibing Michelle Wang, RAYMOND W. LEI, Christos Lymberopoulos, Tielong Gao	2025-12-16
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	$26,317,000
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	$17,884,000
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