Inventor
LUDTKE HAROLD AARON
US41 patents
⚠️ This page may combine multiple inventors who share the name “LUDTKE HAROLD AARON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
30 patentsUS6501441B1Dec 31, 2002
Method of and apparatus for partitioning, scaling and displaying video and/or graphics across several display devices
SONY CORP352 citations99
US6237049B1May 22, 2001
Method and system for defining and discovering proxy functionality on a distributed audio video network
SONY CORP228 citations99
US6233611B1May 15, 2001
Media manager for controlling autonomous media devices within a network environment and managing the flow and format of data between the devices
SONY CORP235 citations99
US6202210B1Mar 13, 2001
Method and system for collecting data over a 1394 network to support analysis of consumer behavior, marketing and customer support
SONY CORP445 citations99
US6154206ANov 28, 2000
Method and apparatus for distributed conditional access control on a serial communication network
SONY CORP216 citations99
US6148241ANov 14, 2000
Method and system for providing a user interface for a networked device using panel subunit descriptor information
SONY CORP161 citations99
US6584496B1Jun 24, 2003
Distributed help system for consumer electronic devices
SONY CORP78 citations98
US6421069B1Jul 16, 2002
Method and apparatus for including self-describing information within devices
SONY CORP127 citations98
US6141702AOct 31, 2000
Model and command set for an AV/C-based disc media player recorder
SONY CORP135 citations98
US6131129AOct 10, 2000
Computer system within an AV/C based media changer subunit providing a standarized command set
SONY CORP124 citations98
US6032202AFeb 29, 2000
Home audio/video network with two level device control
SONY CORP2,010 citations98
US6595342B1Jul 22, 2003
Method and apparatus for a biometrically-secured self-service kiosk system for guaranteed product delivery and return
SONY CORP348 citations97
US7729925B2Jun 1, 2010
System and method for facilitating real time transactions between a user and multiple entities
SONY CORP70 citations96
US6867764B2Mar 15, 2005
Data entry user interface
SONY CORP65 citations96
US6799205B2Sep 28, 2004
Distributed help system for consumer electronic devices
SONY CORP60 citations96
US6593937B2Jul 15, 2003
Method of and apparatus for handling high bandwidth on-screen-display graphics data over a distributed IEEE 1394 network utilizing an isochronous data transmission format
SONY CORP54 citations96
US6496860B2Dec 17, 2002
Media manager for controlling autonomous media devices within a network environment and managing the flow and format of data between the devices
SONY CORP70 citations96
US6377276B1Apr 23, 2002
Bitmap animation of on-screen-display graphics over a distributed network and a clipping region having a visible window
SONY CORP62 citations96
US6460030B1Oct 1, 2002
Method and system for searching through descriptive data in the AV/C protocol
SONY CORP19 citations93
US6493753B2Dec 10, 2002
Media manager for controlling autonomous media devices within a network environment and managing the flow and format of data between the devices
SONY CORP21 citations92
US6279059B1Aug 21, 2001
Docking station
SONY CORP24 citations92
US6434596B1Aug 13, 2002
Method and system for distributed queues in a multimedia network with proxies
SONY CORP19 citations91
US7765163B2Jul 27, 2010
System and method for conducting secure transactions over a network
SONY CORP8 citations82
US7552326B2Jun 23, 2009
Use of kernel authorization data to maintain security in a digital processing system
SONY CORP11 citations81
US6675240B1Jan 6, 2004
Method of providing and enabling a dynamic and scaleable system architecture for a computer system
SONY CORP6 citations74
US6460032B1Oct 1, 2002
System for searching through descriptive data in a network having a hierarchical data structure describing contents and capabilities of the network devices
SONY CORP13 citations74
US6055589AApr 25, 2000
System for dividing data between various data packets when the amount of data to be transmitted exceeds the capacity of one of the data packets
SONY CORP11 citations74
US7720821B1May 18, 2010
Method of and apparatus for writing and reading time sensitive data within a storage device
SONY CORP3 citations63
US6381655B1Apr 30, 2002
System for transmitting information about an electronic unit stored in a storage means having a hierarchical data structure to one of a plurality of electronic units
SONY CORP2 citations63
US7808489B2Oct 5, 2010
System and method of secure touch screen input and display
SONY CORP0 citations49
SONY ELECTRONICS INC
6 patentsUS7188110B1Mar 6, 2007
Secure and convenient method and apparatus for storing and transmitting telephony-based data
SONY ELECTRONICS INC77 citations98
US6456892B1Sep 24, 2002
Data driven interaction for networked control of a DDI target device over a home entertainment network
SONY ELECTRONICS INC225 citations94
US6940492B2Sep 6, 2005
System and method of secure touch screen input and display
SONY ELECTRONICS INC26 citations89
US7075557B2Jul 11, 2006
Method of and apparatus for handling high bandwidth on-screen-display graphics data over a distributed IEEE 1394 network utilizing an isochronous data transmission format
SONY ELECTRONICS INC14 citations84
US7251633B2Jul 31, 2007
Method or system for executing deferred transactions
SONY ELECTRONICS INC13 citations82
US6959347B2Oct 25, 2005
Method of providing and enabling a dynamic and scaleable system architecture for a computer system
SONY ELECTRONICS INC0 citations52
APPLE INC
3 patentsUS7671559B2Mar 2, 2010
Battery charging system and mobile and accessory devices
APPLE INC21 citations93
US11942806B2Mar 26, 2024
Battery charging system and mobile and accessory devices
APPLE INC3 citations75
US10930984B2Feb 23, 2021
Battery charging system and mobile and accessory devices
APPLE INC1 citations73