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

Dana E. Johnson

BLBadger Licensing: 2 patents #16 of 30Top 55%
SWStone & Webster: 2 patents #8 of 31Top 30%
Hopkinton, MA: #162 of 444 inventorsTop 40%
Massachusetts: #27,608 of 88,656 inventorsTop 35%
Overall (All Time): #1,200,183 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9850187 Process for producing cumene Shyh-Yuan H. Hwang 2017-12-26
8445738 Process for producing cumene Shyh-Yuan H. Hwang, Joseph C. Peters, Chung-Ming Chi, Kevin J. Fallon, Francis Demers 2013-05-21
7777086 Production of alkyl aromatic compounds Shyh-Yuan H. Hwang, Maruti Bhandarkar, Chung-Ming Chi, Waheed Mukaddam, Frank Demers +1 more 2010-08-17
7449420 Production of alkyl aromatic compounds with catalyst reactivation Shyh-Yuan H. Hwang, Waheed Mukaddam, Francis Demers 2008-11-11