{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Schering", "item": "https://www.patentleaderboard.com/company/schering"}, {"@type": "ListItem", "position": 3, "name": "Richard E. Chipkin", "item": "https://www.patentleaderboard.com/inventor/fl:ri_ln:chipkin-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RC

Richard E. Chipkin — 5 Patents

SCSchering: 2 patents #1,083 of 2,442Top 45%
PEPennwalt: 1 patents #119 of 288Top 45%
Bethesda, MD: #466 of 2,269 inventorsTop 25%
Maryland: #6,599 of 35,612 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Richard E. Chipkin has been granted 5 US patents while listed as an inventor at Schering. The first was granted in 1981 and the most recent in April 2022. Richard E. Chipkin ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Richard E. Chipkin in Bethesda, MD, US.

Patents per Year

Patents granted per year, 1981 to 2022Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811986: 1 patents19861992: 1 patents19922018: 1 patents20182022: 1 patents2022

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11298361 Fused benzazepines for treatment of Tourette's Syndrome Rudolf Kwan 2022-04-12
9949983 Fused benzazepines for treatment of stuttering 2018-04-24
5104814 Assay kit and methods for neuroleptic drugs Robert McQuade 1992-04-14 $23,741,000
4614743 Methods of treating pain and inflammation with 4,7-dimethyl-2-(4-pyridinyl)-1,2,4,-triazolo[1,5-a]pyrimidin-5(4H)-one or the pharmaceutically acceptable salts or solvates thereof Joseph T. Witkowski 1986-09-30 $13,196,000
4254024 Tetrapeptides and derivatives having opiate activity John M. Stewart, Dan H. Morris 1981-03-03 $428,000