Inventor · disambiguated record
Frederick Johannes Bruwer
Also filed as: BRUWER FREDERICK · BRUWER FREDERICK J · BRUWER FREDERICK JOHANNES · BRUWER JR FREDERICK JOHANNES
65 granted patents·24 pending applications·2,231 citations·filing 1992–2025
99Inventor score
Files withAZOTEQ PTY LTD40BRUWER FREDERICK JOHANNES12MICROCHIP TECH INC11AZOTEQ HOLDINGS LTD10AZOTEC PTY LTD3
Top patents by PatentIndex Score
89 records- 0198US6049289ARemote controlled garage door opening systemOVERHEAD DOOR CORP·Filed 1996·Granted Apr 11, 2000·227 cites·4 claims
- 0296US6621225B2Intelligent electrical switching devicesFiled 2001·Granted Sep 16, 2003·68 cites·52 claims
- 0395US7466040B2Touch sensor controlled switch with intelligent user interfaceBRUWER FREDERICK JOHANNES·Filed 2006·Granted Dec 16, 2008·43 cites·21 claims
- 0495US6249089B1Intelligent electrical device comprising microchipBRUWER FREDERICK·Filed 1998·Granted Jun 19, 2001·143 cites·15 claims
- 0594US6952084B2Intelligent electrical switching deviceAZOTEQ PTY LTD·Filed 2003·Granted Oct 4, 2005·49 cites·56 claims
- 0693US7443101B2Intelligent electrical switching device including a touch sensor switchAZOTEQ PTY LTD·Filed 2007·Granted Oct 28, 2008·14 cites·35 claims
- 0793US7084531B2Intelligent electrical devicesAZOTEQ PTY LTD·Filed 2004·Granted Aug 1, 2006·44 cites·73 claims
- 0892US7498749B2Intelligent electrical switching device including a touch sensor user interface switchAZOTEQ PTY LTD·Filed 2007·Granted Mar 3, 2009·13 cites·25 claims
- 0992US6650066B2Intelligent electrical switching deviceFiled 2003·Granted Nov 18, 2003·35 cites·30 claims
- 1091USRE43606EApparatus and method for a proximity and touch dependent user interfaceBRUWER FREDERICK JOHANNES·Filed 2011·Granted Aug 28, 2012·16 cites·54 claims
- 1191US8035623B2User interface with proximity sensingAZOTEQ PTY LTD·Filed 2010·Granted Oct 11, 2011·13 cites·32 claims
- 1291US7994726B2Intelligent user interface including a touch sensor deviceAZOTEQ PTY LTD·Filed 2010·Granted Aug 9, 2011·7 cites·30 claims
- 1391US7755219B2Touch sensor controlled switch with intelligent user interfaceAZOTEQ PTY LTD·Filed 2008·Granted Jul 13, 2010·20 cites·16 claims
- 1491US7265494B2Intelligent user interface with touch sensor technologyAZOTEQ PTY LTD·Filed 2004·Granted Sep 4, 2007·40 cites·48 claims
- 1590US9709614B2Parasitic capacitance cancellation in capacitive measurementAZOTEQ (PTY) LTD·Filed 2016·Granted Jul 18, 2017·6 cites·17 claims
- 1690US8531120B2Intelligent user interface including a touch sensor deviceAZOTEQ PTY LTD·Filed 2012·Granted Sep 10, 2013·6 cites·15 claims
- 1790US7781980B2Intelligent user interface including a touch sensor deviceAZOTEQ PTY LTD·Filed 2008·Granted Aug 24, 2010·9 cites·37 claims
- 1890US7528508B2Touch sensor user interface with compressible material constructionAZOTEQ PTY LTD·Filed 2007·Granted May 5, 2009·20 cites·25 claims
- 1989US6667684B1Remote controlled garage door opening systemOVERHEAD DOOR CORP·Filed 2000·Granted Dec 23, 2003·99 cites·1 claims
- 2087US10527457B2Inductance sensingAZOTEQ PTY LTD·Filed 2016·Granted Jan 7, 2020·4 cites·20 claims
- 2187US8288952B2Intelligent user interface including a touch sensor deviceBRUWER FREDERICK J·Filed 2011·Granted Oct 16, 2012·7 cites·40 claims
- 2287US7336037B2Intelligent electrical switching deviceAZOTEQ PTY LTD·Filed 2005·Granted Feb 26, 2008·7 cites·22 claims
- 2387US6984900B1Intelligent electrical switchAZOTEQ PTY LTD·Filed 1999·Granted Jan 10, 2006·59 cites·53 claims
- 2486US7291940B2Pressure sensitive switches including touch sensor structuresAZOTEQ PTY LTD·Filed 2004·Granted Nov 6, 2007·42 cites·24 claims
- 2586US7084526B2Intelligent electrical devicesAZOTEQ PTY LTD·Filed 2004·Granted Aug 1, 2006·29 cites·56 claims
- 2685US9360510B2Parasitic capacitance cancellation in capacitive measurementAZOTEQ PTY LTD·Filed 2014·Granted Jun 7, 2016·6 cites·17 claims
- 2785US5686904ASecure self learning systemMICROCHIP TECH INC·Filed 1994·Granted Nov 11, 1997·126 cites·24 claims
- 2884US8659306B2Parasitic capacitance cancellation in capacitive measurement applicationsBRUWER FREDERICK JOHANNES·Filed 2009·Granted Feb 25, 2014·14 cites·13 claims
- 2984US7772781B2Intelligent user interface with touch sensor technologyAZOTEQ PTY LTD·Filed 2007·Granted Aug 10, 2010·7 cites·31 claims
- 3083US9948297B2Pressure dependent capacitive sensing circuit switch constructionBRUWER FREDERICK JOHANNES·Filed 2011·Granted Apr 17, 2018·8 cites·20 claims
- 3183US9496793B2Capacitive sensing enabled switch mode power supply and data transferBRUWER FREDERICK JOHANNES·Filed 2012·Granted Nov 15, 2016·21 cites·19 claims
- 3282US7329970B2Touch sensor and location indicator circuitsAZOTEQ PTE LTD·Filed 2006·Granted Feb 12, 2008·10 cites·55 claims
- 3381US8823273B2Intelligent user interface including a touch sensor deviceAZOTEQ PTY LTD·Filed 2013·Granted Sep 2, 2014·2 cites·6 claims
- 3480US9226376B2User interface with proximity sensingBRUWER FREDERICK JOHANNES·Filed 2011·Granted Dec 29, 2015·3 cites·21 claims
- 3580US8395395B2Noise rejection and parasitic capacitance removal implementationsBRUWER FREDERICK JOHANNES·Filed 2008·Granted Mar 12, 2013·17 cites·18 claims
- 3679US6828739B2Light emitting deviceAZOTEQ PTY LTD·Filed 2003·Granted Dec 7, 2004·24 cites·10 claims
- 3778US6166650ASecure self learning systemMICROCHIP TECH INC·Filed 1997·Granted Dec 26, 2000·101 cites·3 claims
- 3875US9209803B2Intelligent capacitive swipe switchBRUWER FREDERICK JOHANNES·Filed 2012·Granted Dec 8, 2015·6 cites·20 claims
- 3975US7119459B2Intelligent switch for connecting power to a loadAZOTEQ PTY LTD·Filed 2001·Granted Oct 10, 2006·44 cites·14 claims
- 4075US5517187AMicrochips and remote control devices comprising sameNANOTEQ PTY LIMITED·Filed 1993·Granted May 14, 1996·144 cites·40 claims
- 4174US5768208AFail safe non-volatile memory programming system and method thereforMICROCHIP TECH INC·Filed 1996·Granted Jun 16, 1998·40 cites·22 claims
- 4273US7915765B2Dual reference capacitive sensing user interfaceAZOTEQ PTY LTD·Filed 2010·Granted Mar 29, 2011·2 cites·17 claims
- 4373US6793253B2LockAZOTEC PTY LTD·Filed 2001·Granted Sep 21, 2004·29 cites·11 claims
- 4472US6191701B1Secure self learning systemMICROCHIP TECH INC·Filed 1995·Granted Feb 20, 2001·130 cites·36 claims
- 4569US10321532B2Power factor dimmingAZOTEQ PTY LTD·Filed 2017·Granted Jun 11, 2019·1 cites·16 claims
- 4669US9645692B2User interface with proximity sensingGLOBAL TOUCH SOLUTIONS LLC·Filed 2015·Granted May 9, 2017·1 cites·31 claims
- 4769US9588628B2User interface with proximity sensingGLOBAL TOUCH SOLUTIONS LLC·Filed 2015·Granted Mar 7, 2017·1 cites·30 claims
- 4868US6175312B1Encoder and decoder microchips and remote control devices for secure unidirectional communicationMICROCHIP TECH INC·Filed 1992·Granted Jan 16, 2001·103 cites·10 claims
- 4967US5841866ASecure token integrated circuit and method of performing a secure authentication function or transactionMICROCHIP TECH INC·Filed 1995·Granted Nov 24, 1998·186 cites·50 claims
- 5064US7529939B2Method of and apparatus for transferring dataAZOTEQ PTY LTD·Filed 2001·Granted May 5, 2009·13 cites·38 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Frederick Johannes Bruwer 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 →