The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2013
Filed:
Feb. 03, 2009
Takashi Uchiyama, Kanagawa, JP;
Kazuhiro Kusuda, Kanagawa, JP;
Nobuhiro Goto, Kanagawa, JP;
Konami Digital Entertainment Co., Ltd., Tokyo, JP;
Abstract
Where a drawing machine for jackpot game is utilized in a game system in which a plurality of game apparatuses are divided into a plurality of groups for management, a payout ratio is easily managed for each group. The drawing machine for jackpot game performs a group drawing for selecting one winning group among a plurality of groups and performs a winner determining process for determining a winner among players who play game apparatuses belonging to the winning group, thereby performing a jackpot drawing. Then, the drawing machine for jackpot game performs the group drawing in a manner that, among the plurality of groups, a particular group in which a total amount of an own group-specific jackpot balance amount obtained by deducting from a group-specific accumulated pool amount obtained by summing up for each group pool amounts of game apparatuses belonging to each group from a predetermined point in time a total amount from the predetermined point in time covering amounts of payout object paid out when a player who played a game apparatus belonging to the group concerned wins a jackpot award and an own group-specific maximum loss amount set for each group is equal to or more than a jackpot retention amount is not determined as a winning group.