Were there automatic mahjong machines in 1979?

In 1979, there were automatic mahjong machines. In May 1979, KATAJIMAIWAZOU (individual) applied for "Device for automatically arranging Mahjong". On September 13 of the same year, ISHIDASANGYOKK Company applied for two patents named "Automatic Mahjong Equipment" and "Automatic Mahjong Table", so 79 There are automatic mahjong machines.