Location History:
- Pomona, CA (US) (1993)
- El Monte, CA (US) (2000)
- So. El Monte, CA (US) (2002)
- South El Monte, CA (US) (2002 - 2004)
- Rancho Cucamonga, CA (US) (2002 - 2022)
- Diamond Bar, CA (US) (2013 - 2023)
Company Filing History:
16 out of 22 
1 out of 1 
5 out of 832,812 Years Active: 1993-2025
Title: **Innovator Spotlight: Jack Yongfeng Zhang's Contributions to Pharmaceutical Sciences**
Introduction
Jack Yongfeng Zhang is a notable inventor based in Rancho Cucamonga, CA, USA. With an impressive portfolio of 20 patents, Zhang has significantly contributed to the field of pharmaceutical sciences, particularly in drug product characterization and production methods.
Latest Patents
One of his standout patents involves **small angle x-ray scattering methods for characterizing the iron core of iron carbohydrate colloid drug products**. This innovation focuses on characterizing iron core nanoparticles in formulations such as iron sucrose, allowing for precise measurement of the average particle diameter and size distribution without altering the sample. This method enhances the development process of iron carbohydrate colloid drug products by enabling direct comparisons between samples.
Another notable patent from Zhang is related to **highly purified recombinant human insulin (RHI) API and methods of producing the same**. This invention discloses processes that achieve a purity of 99% or greater and significantly lower impurity levels. These advancements play a crucial role in the pharmaceutical industry, ensuring the efficacy and safety of insulin administration.
Career Highlights
Throughout his career, Jack Yongfeng Zhang has collaborated with leading companies, including Amphastar Pharmaceuticals, Inc. His work not only showcases his inventive prowess but also exemplifies his commitment to enhancing drug quality and performance through scientific innovation.
Collaborations
Zhang has also worked alongside esteemed colleagues, including Mary Ziping Luo and Frank Zhishi Xia. Their collective expertise has likely contributed to the advancement of his patent applications and innovative approaches in the pharmaceutical sector.
Conclusion
Jack Yongfeng Zhang's impressive portfolio and dedication to innovation make him a prominent figure in the realm of pharmaceutical inventions. His advancements in characterizing drug products and producing highly purified recombinant insulin are paving the way for safer and more effective therapies in medicine.