Access1979
Canon Inc.1937Cybertrust1995
DeNA1999Dream cast2014
Fujitsu1935
HAL Laboratory1980
Hitachi1910
Hudson Soft1973
NEC1899
Nintendo1889
NTT, Inc.1985
Osaka Electro-Communication University1941PRIME HOLDINGS2023
RIKEN1917RWCPscience project
SCSK Corporation1969
Sega1960
Seiko Epson1881
Sharp Corporation1912
Sony Interactive Entertainment1993
Toshiba1875
Turbolinux1998