1
Kazuo Okada: Game machine. Kabushiki Kaisha Universal, Young & Thompson, January 12, 1993: US05178390 (481 worldwide citation)

A slot machine wherein a predetermined insurance premium value is set for example by inserting a predetermined number of coins besides a value, e.g. a number of coins, to be bet on each game prior to starting a game, thereby to start an insurance period. During the insurance period, the values havin ...


2
Kazuo Okada: Game machine. Kabushiki Kaisha Universal, Young & Thompson, October 6, 1992: US05152529 (446 worldwide citation)

A game machine displays in a display window a first and a second series of symbols in a column such that the first series of symbols are movingly displayed and thereafter a predetermined number of stationary symbols of the first series are displayed in a display window when the first series stops. I ...


3
Kazuo Okada: Slot machine. Kabushiki Kaisha Universal, Young & Thompson, January 12, 1988: US04718672 (228 worldwide citation)

In a slot machine, a specific winning line among a plurality of winning lines, e.g., an effective winning line or a winning line on which a winning symbol array appears, is optically identified. To identify a winning line or lines, series of light emitting diodes are disposed along the winning line ...


4
Kazuo Okada: Method and apparatus for discriminating coins or bank notes. Kabushiki Kaisha Universal, Young & Thompson, December 3, 1985: US04556140 (222 worldwide citation)

A method and apparatus for discriminating coins or bank notes, in which sensors measure characteristics of coins or bank notes. Processing control apparatus provides a reference value setting mode and a discrimination mode. In the reference value setting mode, data of sample coins or bank notes obta ...


5
Kazuo Okada: Slot machine with random number generation. Kabushiki Kaisha Universal, Young & Thompson, March 4, 1986: US04573681 (214 worldwide citation)

A slot machine is provided which has a winning probability table for storing a relation between a group and random numbers, the group being one of a plurality of groups made up by classifying prize-winning symbol combinations. The range of random numbers is properly fixed so that the winning probabi ...


6
Kazuo Okada: Coin pay-out apparatus. Kabushiki Kaisha Universal, Young & Thompson, June 28, 1988: US04753625 (191 worldwide citation)

A coin pay-out apparatus in which a rotary disc is rotated by a motor to effect a coin pay-out. The motor is controlled by a plurality of binary input signals. Only when a combination of the plurality of input signals is found to be a predetermined combination including the binary input signals, is ...


7
Kazuo Okada: Slot machine. Kabushiki Kaisha Universal, Young & Thompson, July 7, 1992: US05127651 (188 worldwide citation)

In a slot machine, pay-out data about previous games that represent the relationship between a total number of inserted coins and a total number of paid coins, are stored and displayed. There is further provided a game simulation device which simulates the games that are intended to occur thereafter ...


8
Kazuo Okada: Slot machine. Kabushiki Kaisha Universal, Young & Thompson, January 26, 1988: US04721307 (171 worldwide citation)

A slot machine having a plurality of symbol series disposed side by side and movable lengthwise independently, selects a combination of symbols on a winning line which is judged as to whether it coincides with any one of the predetermined prize-winning symbol combinations to pay out a predetermined ...


9
Kazuo Okada, Yukinori Inamura, Hiroyuki Danjo: Gaming machine. Aruze Corporation, Rohm & Monsanto, September 11, 2001: US06287194 (168 worldwide citation)

A gaming machine is provided with a principal variable display for displaying principal graphical information corresponding to at least one of a plurality of principal graphical elements, each such principal graphical element having a predetermined significance in a principal game of the gaming mach ...


10
Kazuo Okada: Slot machine. Kabushiki Kaisha Universal, Young & Thompson, December 24, 1991: US05074559 (155 worldwide citation)

A slot machine has a memory in which first judgment data and second judgment data are stored. These first judgment data show for any first random number, whether any one of a group of prize-winning symbols can be selected, and the second judgment data show, for any second random number, the particul ...