INTERNATIONAL GAME TECHNOLOGY
🏢 View company profile →86Patents
0Active
86Granted
39Portfolio score
Filing activity: Jan 4, 1982 → Jul 22, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5788573A | Electronic game method and apparatus with hierarchy of simulated wheels | Physics | 1,369 | Expired |
| US6135884A | Gaming machine having secondary display for providing video content | Physics | 1,304 | Expired |
| US5951397A | Gaming machine and method using touch screen | Physics | 1,272 | Expired |
| US5947820A | Electronic game method and apparatus with hierarchy of simulated wheels | Physics | 1,132 | Expired |
| US5769716A | Symbol fall game method and apparatus | Physics | 1,110 | Expired |
| US5851148A | Game with bonus display | Human Necessities | 1,027 | Expired |
| US6050895A | Hybrid gaming apparatus and method | Human Necessities | 998 | Expired |
| US6302790A | Audio visual output for a gaming device | Physics | 937 | Expired |
| US6162121A | Value wheel game method and apparatus | Physics | 931 | Expired |
| US5265874A | Cashless gaming apparatus and method | Human Necessities | 921 | Expired |
| US6309300A | Gaming bonus apparatus and method with player interaction | Physics | 828 | Expired |
| US5833536A | System for playing electronics card game with player selection of cards in motion on display | Human Necessities | 794 | Expired |
| US5885158A | Gaming system for multiple progressive games | Human Necessities | 776 | Expired |
| US6168520A | Electronic game method and apparatus with hierarchy of simulated wheels | Physics | 707 | Expired |
| US6368216B1 | Gaming machine having secondary display for providing video content | Physics | 706 | Expired |
| US5779545A | Central random number generation for gaming system | Physics | 706 | Expired |
| US5766076A | Progressive gaming system and method for wide applicability | Human Necessities | 703 | Expired |
| US6346043B1 | Image matching game method and apparatus | Physics | 682 | Expired |
| US6210279A | Gaming machine and method using touch screen | Physics | 675 | Expired |
| US5855515A | Progressive gaming system | Human Necessities | 672 | Expired |
| US5902983A | Preset amount electronic funds transfer system for gaming machines | Physics | 645 | Expired |
| US6267669A | Hybrid gaming apparatus and method | Human Necessities | 615 | Expired |
| US6027115A | Slot machine reels having luminescent display elements | Physics | 512 | Expired |
| US6264561A | Electronic game licensing apparatus and method | Human Necessities | 486 | Expired |
| US6350199B1 | Interactive gaming machine and method with customized game screen presentation | Physics | 485 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.