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
George Clarke: Slot machine which pays out upon predetermined number of consecutive lost games. Kabushiki Kaisha Universal, Young & Thompson, June 2, 1987: US04669731 (472 worldwide citation)

A slot machine of the type having a plurality of rotatable reels, each bearing an annular row of various symbols on the outer surface thereof, or a corresponding CRT display, which selects and displays combinations of symbols during each game, and which pays out coins not only when predetermined pri ...


3
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 ...


4
Naomi Ishida: Control apparatus for game machines. Kabushiki Kaisha Universal, Young & Thompson, October 23, 1990: US04964638 (319 worldwide citation)

In a control system wherein a master control unit controls a plurality of game machines, the master control unit is provided with two calculators and a microprocessor. The two calculators accumultate, at different rates, values each corresponding to the number of coins inserted into each of the game ...


5
Yutaka Kimura: Game machine with selective stop means for moving display. Kabushiki Kaisha Universal, Young & Thompson, October 21, 1986: US04618150 (274 worldwide citation)

A game machine has indicia which indicate the proper time to control visible moving symbols. The indicia comprise lights or sounds to make a player recognize the proper time when predetermined prize-winning symbol or combination of symbols will occur on one or a plurality of rotatable reels in a sto ...


6
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 ...


7
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 ...


8
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 ...


9
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 ...


10
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 ...