Inventor
UNDERWOOD MATTHEW JOHN
AU18 patents
⚠️ This page may combine multiple inventors who share the name “UNDERWOOD MATTHEW JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SILVERBROOK RES PTY LTD
14 patentsUS7128270B2Oct 31, 2006
Scanning device for coded data
SILVERBROOK RES PTY LTD239 citations98
US7605940B2Oct 20, 2009
Sensing device for coded data
SILVERBROOK RES PTY LTD92 citations97
US8360669B2Jan 29, 2013
Retractable electronic pen with sensing arrangement
SILVERBROOK RES PTY LTD17 citations92
US7955017B2Jun 7, 2011
Electronic image-sensing pen with force sensor and removeable ink cartridge
SILVERBROOK RES PTY LTD15 citations92
US7928967B2Apr 19, 2011
Force sensor with angled coupling
SILVERBROOK RES PTY LTD19 citations92
US7760259B2Jul 20, 2010
Pixel sensor
SILVERBROOK RES PTY LTD13 citations92
US7567279B2Jul 28, 2009
Image sensor timing circuit
SILVERBROOK RES PTY LTD17 citations92
US7523672B2Apr 28, 2009
Collapsible force sensor coupling
SILVERBROOK RES PTY LTD15 citations92
US7515186B2Apr 7, 2009
Pixel sensor
SILVERBROOK RES PTY LTD19 citations92
US8023020B2Sep 20, 2011
Pixel sensor with voltage compensator
SILVERBROOK RES PTY LTD10 citations84
US7794167B2Sep 14, 2010
Pen with side loading cartridge
SILVERBROOK RES PTY LTD7 citations74
US7770465B2Aug 10, 2010
Force sensor assembly
SILVERBROOK RES PTY LTD3 citations74
US7990450B2Aug 2, 2011
Photodetecting circuit
SILVERBROOK RES PTY LTD4 citations73
US8366338B2Feb 5, 2013
Electronic pen having fast response time
SILVERBROOK RES PTY LTD3 citations62