Some mistakes in the database

Hi! There are some games in the website that are listed under the company name pony canyon while they are not invented by ponycanyon. They are invented by other companies:
Name Company

Bank Panic Sega
Champion boxing Sega
Champion Ice Hokey Sega
Champion Kendo Sega
Champion Professional Wrestling Sega
Champion Soccer Sega
Dawn Patrol Bytebusters
Doki Doki Penguin Land Sega
Fantasy Zone Sega/Pony canyon
Fantasy zone 2 Sega/Pony canyon
GP World Sega
Amida JVC/Victor
Hang On Sega
High School Adventure Sega/ Ponycanyon
Ninja Princess Sega
Outrun Sega/ Ponycanyon
Zaxxon Sega

Hi,

thanks for the list. Is it possible that sega for example made the game, but pony canyon released the game in Japan ?

Sandy