Patents by Inventor Masahisa Oura

Masahisa Oura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Medal reminant slot machine games
    Patent number: 4342384
    Abstract: Coin ruminant slot machine games comprising a plurality of slot machines, back feeders, blockaders and a belt conveyer, the slot machines being respectively coupled with the back feeders, the back feeders being respectively coupled with the blockaders, the slot machines being located above the belt conveyer and the back feeders below the belt conveyer. The blockaders are located above a lower section of the conveyer belt and the slot machines discharge the coins to an upper section of the conveyer belt. The back feeders feed the coins back up to the slot machines and the belts of the conveyer, and the blockaders take the coins off of the lower belt to drop them into the back feeders.
    Type: Grant
    Filed: May 8, 1980
    Date of Patent: August 3, 1982
    Assignee: Sayama Precision Industrial Co., Ltd.
    Inventors: Motonobu Fukase, Toshikazu Yokota, Masahisa Oura