Inventor
SCHELL STEPHAN V
US68 patents
⚠️ This page may combine multiple inventors who share the name “SCHELL STEPHAN V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLE INC
24 patentsUS9495531B2Nov 15, 2016
Embedded authentication systems in an electronic device
APPLE INC69 citations99
US9274647B2Mar 1, 2016
Embedded authentication systems in an electronic device
APPLE INC70 citations98
US10275585B2Apr 30, 2019
Embedded authentication systems in an electronic device
APPLE INC9 citations93
US9953152B2Apr 24, 2018
Embedded authentication systems in an electronic device
APPLE INC11 citations93
US10956550B2Mar 23, 2021
Embedded authentication systems in an electronic device
APPLE INC5 citations84
US10327135B2Jun 18, 2019
Access data provisioning apparatus and methods
APPLE INC6 citations84
US10200853B2Feb 5, 2019
Management systems for multiple access control entities
APPLE INC5 citations84
US9877194B2Jan 23, 2018
Methods and apparatus for delivering electronic identification components over a wireless network
APPLE INC5 citations84
US9560693B2Jan 31, 2017
Methods and apparatus for access data recovery from a malfunctioning device
APPLE INC6 citations84
US9532219B2Dec 27, 2016
Methods and apparatus for storage and execution of access control clients
APPLE INC9 citations84
US9344832B2May 17, 2016
Methods and apparatus for delivering electronic identification components over a wireless network
APPLE INC6 citations84
US9338649B2May 10, 2016
Wireless network authentication apparatus and methods
APPLE INC7 citations84
US8966262B2Feb 24, 2015
Methods and apparatus for delivering electronic identification components over a wireless network
APPLE INC9 citations84
US11051159B2Jun 29, 2021
Management systems for multiple access control entities
APPLE INC3 citations73
US10911944B2Feb 2, 2021
Access data provisioning apparatus and methods
APPLE INC4 citations73
US10694465B2Jun 23, 2020
User equipment transmit duty cycle control
APPLE INC1 citations73
US10568066B2Feb 18, 2020
Paging mechanisms for link-budget-limited user devices
APPLE INC2 citations73
US10440034B2Oct 8, 2019
Network assisted fraud detection apparatus and methods
APPLE INC4 citations73
US10264545B2Apr 16, 2019
Paging mechanisms for link-budget-limited user devices
APPLE INC2 citations73
US10206106B2Feb 12, 2019
Methods and apparatus for delivering electronic identification components over a wireless network
APPLE INC1 citations73
US9930527B2Mar 27, 2018
Methods and apparatus for storage and execution of access control clients
APPLE INC2 citations73
US9854527B2Dec 26, 2017
User equipment transmit duty cycle control
APPLE INC3 citations73
US9749986B2Aug 29, 2017
Paging mechanisms for link-budget-limited user devices
APPLE INC3 citations73
US9628952B2Apr 18, 2017
Methods for determining relative locations of multiple nodes in a wireless network
APPLE INC2 citations73
SCHELL STEPHAN V
10 patentsUS8924715B2Dec 30, 2014
Methods and apparatus for storage and execution of access control clients
SCHELL STEPHAN V50 citations98
US8555067B2Oct 8, 2013
Methods and apparatus for delivering electronic identification components over a wireless network
SCHELL STEPHAN V65 citations97
US8666368B2Mar 4, 2014
Wireless network authentication apparatus and methods
SCHELL STEPHAN V44 citations94
US9100810B2Aug 4, 2015
Management systems for multiple access control entities
SCHELL STEPHAN V20 citations92
US8942644B2Jan 27, 2015
Systems and methods for protecting microelectromechanical systems switches from radio-frequency signals using switching circuitry
SCHELL STEPHAN V25 citations92
US9100393B2Aug 4, 2015
Simulacrum of physical security device and methods
SCHELL STEPHAN V15 citations84
US8913992B2Dec 16, 2014
Methods and apparatus for access data recovery from a malfunctioning device
SCHELL STEPHAN V12 citations84
US8660608B2Feb 25, 2014
Apparatus and methods for recordation of device history across multiple software emulations
SCHELL STEPHAN V11 citations84
US7532682B1May 12, 2009
Quadrature modulation without carrier
SCHELL STEPHAN V9 citations84
US9723481B2Aug 1, 2017
Access data provisioning apparatus and methods
SCHELL STEPHAN V11 citations82
TROPIAN INC
7 patentsUS7054385B2May 30, 2006
Reduction of average-to-minimum power ratio in communications signals
TROPIAN INC63 citations98
US6983025B2Jan 3, 2006
High quality power ramping in a communications transmitter
TROPIAN INC64 citations98
US6751265B1Jun 15, 2004
Method and system of amplitude modulation using dual/split channel unequal amplification
TROPIAN INC92 citations98
US6734724B1May 11, 2004
Power control and modulation of switched-mode power amplifiers with one or more stages
TROPIAN INC71 citations98
US6653896B2Nov 25, 2003
Differential rf/microwave power amplifier using independent synchronized polar modulators
TROPIAN INC76 citations97
US6844776B2Jan 18, 2005
Power control and modulation of switched-mode power amplifiers with one or more stages
TROPIAN INC42 citations96
US7042282B2May 9, 2006
Power control and modulation of switched-mode power amplifiers with one or more stages
TROPIAN INC5 citations74
UNIV CALIFORNIA
2 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsPANASONIC CORP
2 patents(unassigned)
1 patentRODGERS CLIVE EDWARD
1 patentHAGGERTY DAVID T
1 patentShowing the top 50 of 68 patents by PatentIndex Score.