JD

Joseph A. DeGroot

Xerox: 5 patents #2,266 of 8,622Top 30%
GE Gentex: 1 patents #357 of 567Top 65%
Overall (All Time): #806,484 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11604863 Alignment system Joshua D. Lintz, Adam R. Heintzelman 2023-03-14
8746848 Ink jet printing systems and methods with pre-fill and dimple design Andrew W. Hays, Richard P. Germain, Peter J. Nystrom, Jun Ma 2014-06-10
8393713 Ink jet printing systems and methods with pre-fill and dimple design Andrew W. Hays, Richard P. Germain, Peter J. Nystrom, Jun Ma 2013-03-12
7980671 Electrostatic actuator and method of making the electrostatic actuator Peter J. Nystrom, Donald J. Drake, Peter M. Gulvin, Jun Ma, Nancy Y. Jia +1 more 2011-07-19
7942508 Decreased actuation voltage in MEMS devices by constraining membrane displacement without using conductive “landing pad” Peter M. Gulvin, Jun Ma 2011-05-17
7712871 Method, apparatus and printhead for continuous MEMS ink jets Donald J. Drake, Andrew W. Hays 2010-05-11