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| Number | Title | Issue Date |
| 5963218 | Video game with switchable collision graphics A method is provided for displaying a video game character traversing a video game playfield, for use with a system which includes a video screen display, a user-controlled graphics controller and digital memory; wherein the video game character follows a... | 10/05/1999 |
| 5941775 | Data processing system, method thereof and memory cassette The present invention aims at providing a data processing system which can realize a variety of process. A secondary memory cassette 31 includes a connector 32 which can be connected to both a primary memory cassette 21 or a processing device body, and ad... | 08/24/1999 |
| 5935003 | Videogame system and methods for enhanced processing and display of graphical character elements Videogame systems and methods are provided to enhance the capability of the videogame system controller and data storage to provide graphic character element storage and processing. A display list technology utilizes an intentionally generated, location-s... | 08/10/1999 |
| 5781180 | Convertible peripheral device A convertible peripheral input device comprises a control pad and a multiaxis input device selectably mounted on the edges of the control pad so that the multiaxis input device can be positioned for right-handed use or left-handed use according to the use... | 07/14/1998 |
| 5523886 | Stereoscopic/monoscopic video display system A stereoscopic video display device includes a left and a right video display for viewing by respectively the left and right eye of a viewer, a video driver circuit which alternates between driving the left video display and driving the right video displa... | 06/04/1996 |
| 5513307 | Video game with switchable collision graphics A method is provided for displaying a video game character traversing a video game playfield, for use with a system which includes a video screen display, a user-controlled graphics controller and digital memory; wherein the video game character follows a... | 04/30/1996 |
| 5470080 | Multi-player video game apparatus with single screen mode and split screen mode A method is provided for controlling the display of game character movement in a video game for using a video game system, a method comprising the steps of: displaying a first playfield screen in an upper portion of a video display screen using an interla... | 11/28/1995 |
| 5411272 | Video game with spiral loop graphics A method is provided for controlling the appearance of a video game game character, as the character traverses a path displayed on a display screen; wherein the method is used in a video game system which includes a graphics controller, digital memory and... | 05/02/1995 |
| 5411270 | Split-screen video game with character playfield position exchange A method is provided for controlling a multiplayer competition video game for use with the system which includes a video display screen, a graphics controller, digital memory and user input devices, the method comprising the steps of: providing a first re... | 05/02/1995 |
| 5405151 | Multi-player video game with cooperative mode and competition mode A method is provided for controlling the motion of two game characters in a video game for use in a system which includes a video display screen, a user-controlled graphics controller, digital memory, a first user input device and a second user input devi... | 04/11/1995 |
