Patent assignee · US · COMPANY

Sony Trans Com Inc.

63Patents
0Active
63Granted
42Portfolio score

Filing activity: Dec 27, 1990 → May 12, 2000

Most-cited patents

PatentTitleAreaCited byStatus
US5675752A Interactive applications generator for an interactive presentation environment Emerging Cross-Sectional Technologies 491 Expired
US5973722A Combined digital audio/video on demand and broadcast distribution system Electricity 356 Expired
US6131119A Automatic configuration system for mapping node addresses within a bus structure to their physical location Electricity 239 Expired
US5786801A Back light control apparatus and method for a flat display system Physics 183 Expired
USD389143S Interactive display controller and telephone handset unit General 179 Expired
US5796185A Circuit card present sense and protective power supply inhibit for airborne application of ATM switch unit Emerging Cross-Sectional Technologies 162 Expired
US6014381A System and method for distributing information throughout an aircraft Electricity 142 Expired
US5096271A Drive assembly, power off retract Performing Operations; Transporting 135 Expired
US6034688A Scrolling navigational display system Physics 134 Expired
US6310286A Quad cable construction for IEEE 1394 data transmission Electricity 121 Expired
US5543818A Method and apparatus for entering text using an input device having a small number of keys Physics 117 Expired
US5790787A Device for interfacing a CD-ROM player to an entertainment or information network and a network including such device Performing Operations; Transporting 111 Expired
US5076524A TV/LCD pop-up stowage retraction means Performing Operations; Transporting 102 Expired
US6038426A System and method for securing a removable seat electronics unit without detachment of the communication cable Performing Operations; Transporting 77 Expired
US5647505A Vending apparatus and system for automated dispensing of disks Emerging Cross-Sectional Technologies 72 Expired
US5835127A Integrated electronic system utilizing a universal interface to support telephony and other communication services Performing Operations; Transporting 71 Expired
US6011322A Apparatus and method for providing power to circuitry implementing two different power sources Electricity 70 Expired
US5517508A Method and apparatus for detection and error correction of packetized digital data Physics 69 Expired
US6134674A Computer based test operating system Physics 58 Expired
US5523551A Vending apparatus and system for automated dispensing of disks Emerging Cross-Sectional Technologies 57 Expired
USD340235S Monitor pop-up display unit for a seat in the passenger compartment of an aircraft General 57 Expired
US5963877A Telephone call receiver indicator Electricity 54 Expired
US5894413A Redundant power supply switchover circuit Electricity 53 Expired
US5848367A System and method for sharing a non-volatile memory element as a boot device Physics 50 Expired
US5923673A IEEE 1394 data/protocol analyzer Electricity 49 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.