Inventor
NAKA YUJI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “NAKA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEGA OF AMERICA INC
7 patentsUS5411270AMay 2, 1995
Split-screen video game with character playfield position exchange
SEGA OF AMERICA INC115 citations97
US5513307AApr 30, 1996
Video game with switchable collision graphics
SEGA OF AMERICA INC65 citations96
US5405151AApr 11, 1995
Multi-player video game with cooperative mode and competition mode
SEGA OF AMERICA INC55 citations96
US5963218AOct 5, 1999
Video game with switchable collision graphics
SEGA OF AMERICA INC21 citations92
US5470080ANov 28, 1995
Multi-player video game apparatus with single screen mode and split screen mode
SEGA OF AMERICA INC51 citations92
US5411272AMay 2, 1995
Video game with spiral loop graphics
SEGA OF AMERICA INC34 citations92
US5941775AAug 24, 1999
Data processing system, method thereof and memory cassette
SEGA OF AMERICA INC29 citations86