SNK Patents
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| Patent ID | Title | Inventor(s) | Filing Date | Publication Date | Description |
|---|---|---|---|---|---|
| USA #5940068 | Display controlling apparatus and control method thereof | Yoshihiko Hasegawa, Takashi Yamatani | 1996/02/14 | 1999/08/17 | NeoGeo video hardware, VRAM layout, methods for creating sprite effects with the scaling functions (used in World Heroes 2). |
| USA #5643083 | Control device for game operation state data | Yoshihiko Hasegawa | 1995/04/10 | 1997/07/01 | MVS System ROM functions (game-specific parameters, play time stats and time keeping, etc.) |
| USA #D373149 | Pad controller attachment for a CD ROM video game player | Eikichi Kawasaki | 1994/12/08 | 1996/08/27 | Design patent for Neo-Geo CD controller. |
| USA #D375765 | Joystick attachment for a CD ROM video game player | Eikichi Kawasaki | 1994/12/08 | 1996/11/19 | Design patent for Neo-Geo CD joystick. |
| Europe #0429160A2 | Memory cartridge for use with TV game machine | Yoshihiko Hasegawa | 1990/03/06 | 1991/05/29 | (simplified) AES cartridge overview |
| USA #5114157 | Game machine having plural display panel units and plural memory cartridges | Toshihiko Kita | 1990/06/11 | 1992/05/19 | Explains the MVS (as it relates to having multiple games in one machine, note the 8 slots); uses a MV25TA-0 as the example cabinet. |
| Europe #0431723 A2 | TV game machine | Yoshihiko Hasegawa | 1990/04/20 | 1991/06/12 | AES/Home system overview |
| Europe #0997172 A1 | Game system, game device, and game method | Yoshinori Matsumoto, Takashi Nishiyama | 1998/04/06 | 2000/05/03 | Possible portable device linkup with MVS/AES/CD systems. |
| Europe #0883019 A1 USA [#6226455] |
Shooting apparatus | Kenta Fujimoto, Kazukuni Hiraoka, Hamao Horiguchi, Kouichi Ishimoto, Hiroaki Kimura, Shigekazu Matsumoto | 1997/02/18 | 1998/12/09 | Neo Print cab description. |
| USA [#US6055000A] | Storage memory for images | Satoshi Okada | 1998/05/28 (priority) | 2000/04/25 | An image storage memory apparatus comprises a first memory for separating an image of M by N pixels into a plurality of blocks, generating H pieces of sets making coded notation of the mutually different m by n kinds of colors into each set component ... |
Using a search SNK Corporation, SNK has 26 patents and patent applications registered. All are applied in Japan and few granted with US patent number.
TODO: It would be interested to list them all with a time axis with 4 dates of Priority, Filling, Publication and Grant. (Many of them aren't related to the NeoGeo).