{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Pfizer", "item": "https://www.patentleaderboard.com/company/pfizer"}, {"@type": "ListItem", "position": 3, "name": "Ker Yu", "item": "https://www.patentleaderboard.com/inventor/fl:ke_ln:yu-5"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KY

Ker Yu — 2 Patents

Pfizer: 2 patents #2,085 of 5,153Top 45%
Pine Brook, NJ: #33 of 64 inventorsTop 55%
New Jersey: #30,063 of 69,400 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ker Yu has been granted 2 US patents while listed as an inventor at Pfizer. The first was granted in 2010 and the most recent in July 2013. Ker Yu ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ker Yu in Pine Brook, NJ, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8486961 Pyrrolo[4,3,2-de]quinolin-8-amine compounds and methods of their preparation and use Min He, Jeffrey Edwin Janso, Leonard Alexander McDonald, Laurel Rita Barbieri, Ariamala Gopalsamy 2013-07-16
7666901 Analogs of 17-hydroxywortmannin as PI3K inhibitors Arie Zask, Ping Cai, Jianxin Gu, Joshua A. Kaplan, Tianmin Zhu 2010-02-23