Inventor · disambiguated record
William Douglas Johnson
Also filed as: JOHNSON WILLIAM D · JOHNSON WILLIAM DOUGLAS
11 granted patents·3 pending applications·701 citations·filing 1997–2023
91Inventor score
Files withLANDMARK GRAPHICS CORP3PAVILION TECH INC3CARLISLE CONSTRUCTION MAT LLC2CULLICK ALVIN STANLEY2ELLA RICHARD G2
Top patents by PatentIndex Score
14 records- 0196US6047221AMethod for steady-state identification based upon identified dynamicsPAVILION TECH INC·Filed 1997·Granted Apr 4, 2000·283 cites·36 claims
- 0295US6934931B2System and method for enterprise modeling, optimization and controlPAVILION TECH INC·Filed 2001·Granted Aug 23, 2005·215 cites·55 claims
- 0391US6944616B2System and method for historical database training of support vector machinesPAVILION TECH INC·Filed 2001·Granted Sep 13, 2005·83 cites·35 claims
- 0490US8280635B2Dynamic production system managementELLA RICHARD G·Filed 2007·Granted Oct 2, 2012·46 cites·52 claims
- 0589US8195401B2Dynamic production system managementELLA RICHARD G·Filed 2007·Granted Jun 5, 2012·40 cites·30 claims
- 0681US8504341B2Methods, systems, and computer readable media for fast updating of oil and gas field production models with physical and proxy simulatorsCULLICK ALVIN STANLEY·Filed 2007·Granted Aug 6, 2013·25 cites·19 claims
- 0769US9128693B2Systems and methods for workflow automation, adaptation and integrationREID LAURENCE·Filed 2010·Granted Sep 8, 2015·2 cites·14 claims
- 0868US12429322B2Locating, measuring, and error-checking systemCARLISLE CONSTRUCTION MAT LLC·Filed 2023·Granted Sep 30, 2025·0 cites·42 claims
- 0965US12498208B2System of measuring objects in an environmentCARLISLE CONSTRUCTION MAT LLC·Filed 2023·Granted Dec 16, 2025·0 cites·48 claims
- 1061US8352226B2Methods, systems, and computer-readable media for real-time oil and gas field production optimization using a proxy simulatorLANDMARK GRAPHICS CORP·Filed 2007·Granted Jan 8, 2013·7 cites·24 claims
- 1160US2008208478A1Dynamic Production System ManagementLANDMARK GRAPHICS CORP·Filed 2008·Application pending·0 cites
- 1250US2009125362A1Systems and Methods For Workflow Automation, Adaptation and IntegrationLANDMARK GRAPHICS CORP·Filed 2008·Application pending·0 cites
- 1337US2007179767A1Methods, systems, and computer-readable media for fast updating of oil and gas field production models with physical and proxy simulatorsCULLICK ALVIN STANLEY·Filed 2007·Application pending·0 cites
- 1429US10409616B2Systems and methods for reducing reservoir simulator model run timeGARCIA ALEJANDRO·Filed 2010·Granted Sep 10, 2019·0 cites·17 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →