Issued Patents 1997
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702303 | Game machine having a playing display screen | Masayuki Tsurumi | 1997-12-30 |
| 5700997 | Game play media dispenser | Kazunari Kawashima | 1997-12-23 |
| 5683082 | Gaming system controlling termination of playing and degree of playing difficulty | Kazunari Kawashima | 1997-11-04 |
| 5660394 | Gaming machine island and money changing system | Koichi Tsubota, Koji Yanagisawa | 1997-08-26 |
| 5655965 | Screen display type slot machine with seemingly flowing condition of moving symbols | Kazunari Kawashima, Taizo Higaki | 1997-08-12 |
| 5653636 | Slot machine using game play media and method for setting the number of game play media to be won | Kazunari Kawashima | 1997-08-05 |
| 5636837 | Pachinko gaming machine | Kazunari Kawashima | 1997-06-10 |
| 5630585 | Pachinko ball counter and ball dropping apparatus preventing bridge phenomenon | Kazunari Kawashima | 1997-05-20 |
| 5628685 | Game play media lending machine and gaming machine system each having a charge collection function, and charge collection method in a gaming house | Hiroshi Saito | 1997-05-13 |
| D379202 | Display device | Toshitaka Ihara | 1997-05-13 |
| 5627356 | Card for recording the number of game play media, a card dispensing device, and a card receiving device | Kazunari Kawashima | 1997-05-06 |
| 5620177 | Paper slip storage system | Noriaki Kano, Eiji Ito, Tsutomu Onodera, Kozo Sekimoto | 1997-04-15 |
| 5618042 | Medal distribution system in a slot machine island | Yoichi Yoneda, Meiji Muramatsu | 1997-04-08 |
| 5613911 | Game apparatus having game media controlling capabilities | Kazunari Kawashima | 1997-03-25 |
| 5611534 | Metal substance detection system for detecting the presence position of a metal substance | Kazunari Kawashima, Shigeru Handa | 1997-03-18 |
| 5605329 | Metal body detecting apparatus for detecting location of metal body and a sensing matrix assembly used therefor | Kazunari Kawashima, Shigeru Handa | 1997-02-25 |
| 5606158 | Collection and processing apparatus of repeatedly used recording media | Hiroyuki Yatsu | 1997-02-25 |
| 5597163 | Gaming machine islands and gaming house facilities where the gaming machine islands are installed | Kazunari Kawashima | 1997-01-28 |
| 5590878 | Gaming machine island having a bill transporter adjustable to match the bill slots of gaming machines of different dimensions | Hideyuki Kadomatsu, Etsuro Sasaki | 1997-01-07 |