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

John Christopher Ripstra

IBM: 6 patents #16,453 of 70,183Top 25%
Rochester, MN: #841 of 3,042 inventorsTop 30%
Minnesota: #11,810 of 52,454 inventorsTop 25%
Overall (All Time): #879,136 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6785693 Management of multiple links to a file in a file system Dennis Steven DeLorme, Alan Leon Levering, Jeffrey J. Parker 2004-08-31
6308245 Adaptive, time-based synchronization mechanism for an integrated posix file system David L. Johnson, Michael L. Nordstrom 2001-10-23
6205471 Object oriented mail server framework mechanism Frank William Gilchrist, Eric Nels Herness, Eric H. Jenney, George J. Romano 2001-03-20
6105056 Object oriented mail server framework mechanism Frank William Gilchrist, Eric Nels Herness, Eric H. Jenney, George J. Romano 2000-08-15
6081832 Object oriented mail server framework mechanism Frank William Gilchrist, Eric Nels Herness, Eric H. Jenney, George J. Romano 2000-06-27
5768505 Object oriented mail server framework mechanism Frank William Gilchrist, Eric Nels Herness, Eric H. Jenney, George J. Romano 1998-06-16