Inventor · disambiguated record
David D. L. Wijngaards
Also filed as: WIJNGAARDS DAVID D L
6 granted patents·24 citations·filing 2005–2013
77Inventor score
Top patents by PatentIndex Score
6 records- 0181US8276250B2Method of manufacturing a piezoelectric ink jet deviceWIJNGAARDS DAVID D L·Filed 2008·Granted Oct 2, 2012·8 cites·12 claims
- 0279US7843113B2Ink jet device having piezoelectric actuator with insulating structure and method of producing the piezoelectric actuatorOCE TECH BV·Filed 2008·Granted Nov 30, 2010·11 cites·19 claims
- 0366US8869362B2Method of forming an array of piezoelectric actuators on a membraneWIJNGAARDS DAVID D L·Filed 2008·Granted Oct 28, 2014·3 cites·11 claims
- 0457US7548250B2Image-forming element for a printing apparatus with a multiplex circuit for driving the image-forming electrodesOCE TECH BV·Filed 2005·Granted Jun 16, 2009·2 cites·9 claims
- 0547US9056471B2Method of forming a nozzle of a fluid ejection deviceOCE TECH BV·Filed 2013·Granted Jun 16, 2015·0 cites·19 claims
- 0644US8696919B2Method for manufacturing a nozzle and an associated funnel in a single plateOCE TECH BV·Filed 2012·Granted Apr 15, 2014·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when David D. L. Wijngaards files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →