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Your search returned 33 patents.
( 463/45 in Current US Classification )
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Patent IDTitleDate Filed
6270416 Video game apparatus and method, and storage medium October 25, 1999
6238291 Cartridge, game machine and bi-directional communication type game system November 27, 1998
6220964 Game system operable with backup data on different kinds of game machines February 18, 2000
6203431 Video game apparatus and memory medium used therefor November 13, 1998
6048270 Data-transfer device September 21, 1998
6006319 Coprocessor system for accessing shared memory during unused portion of main processor's instruction cycle where main processor never waits when accessing shared memory March 20, 1996
5996033 Data compression device comprising input connector for connecting to game player system, output connector for connecting to memory card, and virtual memory page switch September 4, 1997
5973656 Image display device July 10, 1996
5967895 Portable electronic bingo device September 13, 1996
5809520 Interchangeable cartridge data storage system for devices performing diverse functions November 6, 1996
5759104 Connector and adapter utilizing connector January 24, 1995
5717938 Coded cartridges for electronic books June 16, 1995
5692162 Video entertainment system adapter and image display method of a video entertainment system using a video entertainment system adapter May 15, 1995
5624316 Video game enhancer with intergral modem and smart card interface June 6, 1994
5599232 Memory cartridge with interface having graphics co-processor October 6, 1994
5556108 Game signal conversion apparatus January 24, 1995
5395112 Memory cartridge April 5, 1993
5282621 Universal converter for non-exclusive cards of video game November 24, 1992
5203848 Television game console and electronic control device for controlling the allowable playing time of the television game console January 16, 1992
5112051 Interfacing device for a computer games system May 30, 1990
4485457 Memory system including RAM and page switchable ROM May 31, 1983
RE35520 Interfacing device for a computer games system December 28, 1993
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