Inventor · disambiguated record
J. Douglas Logan
Also filed as: LOGAN J DOUGLAS
6 granted patents·3 pending applications·158 citations·filing 1976–2015
86Inventor score
Top patents by PatentIndex Score
9 records- 0195US7659995B2Digitizer using plural capture methods to image features of 3-D objectsNEXTPAT LTD·Filed 2005·Granted Feb 9, 2010·69 cites·6 claims
- 0292US8414207B1Ultra-compact mobile touch-type keyboardKNIGHTON MARK S·Filed 2012·Granted Apr 9, 2013·19 cites·11 claims
- 0384US6639684B1Digitizer using intensity gradient to image features of three-dimensional objectsNEXTENGINE INC·Filed 2000·Granted Oct 28, 2003·26 cites·19 claims
- 0473US6980302B2Three dimensional digitizer using multiple methodsNEXTENGINE INC·Filed 2003·Granted Dec 27, 2005·14 cites·18 claims
- 0571US4088891AElectrostatic aperture printingHORIZONS RESEARCH INC·Filed 1976·Granted May 9, 1978·18 cites·13 claims
- 0664US6530550B1Wireless turntableNEXTENGINE INC·Filed 2000·Granted Mar 11, 2003·12 cites·28 claims
- 0752US2013234869A1Ultra-compact mobile touch-type keyboardKNIGHTON MARK S·Filed 2013·Application pending·0 cites
- 0848US2015309588A1Ultra-compact mobile touch-type keyboardSYNERDYNE CORP·Filed 2015·Application pending·0 cites
- 0946US2010141960A1Digitizer using plural capture methods to image features of 3-d objectsNEXTPAT LTD·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when J. Douglas Logan 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 →