JH

John P. Hagen

DE Domaille Engineering: 3 patents #5 of 18Top 30%
IBM: 2 patents #32,839 of 70,183Top 50%
HG HGST: 1 patents #1,032 of 1,677Top 65%
📍 Plainview, MN: #3 of 11 inventorsTop 30%
🗺 Minnesota: #11,810 of 52,454 inventorsTop 25%
Overall (All Time): #778,763 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12271039 Optical fiber polisher with controlled platen stopping position Dennis J. Anderson, Gregory A. Schumacher, Jill B. Christie, Paul Fishbaugher, Timothy E. Kanne 2025-04-08
10981257 Optical fiber polisher with ramping features Jill B. Christie, Dennis J. Anderson, Gregory A. Schumacher, Dean A. Krueger, Timothy E. Kanne 2021-04-20
9690048 Optical fiber fixtures and methods for laser cleaving Greg Schumacher, James T. Frazer 2017-06-27
6882956 Lapping plate topography system Carl Francis Sermon, Terry Fredrick Banitt, Roger W. Johnson, George M. Moorefield, II, Thomas Donald Weller 2005-04-19
6582279 Apparatus and method for reclaiming a disk substrate for use in a data storage device Dennis L. Fox, James A. Hagan, Paul Henry Hanson, Theresa Marie Lewis, Janice Blue Ostrom +3 more 2003-06-24
6356346 Device and method for inspecting a disk for physical defects Daniel A. Neseth 2002-03-12