Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RA

Robert Alpern — 3 Patents

RERelypsa: 3 patents #17 of 37Top 50%
Woodbridge, CT: #110 of 239 inventorsTop 50%
Connecticut: #12,369 of 34,797 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert Alpern has been granted 3 US patents while listed as an inventor at Relypsa. The first was granted in 2010 and the most recent in July 2012. Robert Alpern ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Alpern in Woodbridge, CT, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8216560 Ion binding polymers and uses thereof Dominique Charmot, Han-Ting Chang, John Fordtran, Gerrit Klaerner, Jerry M. Buysse +1 more 2012-07-10
7854924 Methods and compositions for treatment of ion imbalances Jerry M. Buysse, Han-Ting Chang, Dominique Charmot, Michael J. Cope, John Fordtran +5 more 2010-12-21
7776319 Methods and compositions for treatment of ion imbalances Jerry M. Buysse, Han-Ting Chang, Dominique Charmot, Michael J. Cope, John Fordtran +5 more 2010-08-17