Ohio Rev. Code Ann. § 2931.15

In prosecutions before a magistrate, a defendant who has been found guilty upon the verdict of a jury or by the decision of the magistrate without the intervention of a jury may upon written application filed within three days after the verdict or decision, be granted a new trial in like manner and for like reasons as provided by sections 2945.79 to 2945.83, inclusive, of the Revised Code.