Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RS

Ramanathan Sankaran

LLLupin Laboratories Limited: 1 patents #1 of 3Top 35%
Bhopal, IN: #1 of 3 inventorsTop 35%
Overall (1997): #90,627 of 185,788Top 50%
1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5604222 Method for the preparation of 2-chloro sulfinyl azetidinones Niranjan Lal Gupta, Sakina Sitabkhan 1997-02-18