Inventor

JOHNSON DAVID MATTHEW

US3 patents

⚠️ This page may combine multiple inventors who share the name “JOHNSON DAVID MATTHEW”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PALO ALTO RES CT INC

2 patents

US9044943B2Jun 2, 2015

Inkjet printhead incorporating oleophobic membrane

PALO ALTO RES CT INC4 citations70

US9016841B2Apr 28, 2015

Methods and devices for venting air from ink jet printer subassemblies using oleophobic membranes

PALO ALTO RES CT INC2 citations60

JSA TECHNOLOGIES

1 patent

US6963857B1Nov 8, 2005

Network-accessible account system

JSA TECHNOLOGIES155 citations91