Billy Tam
32Patents
4h-index
18Co-inventors
56Inventor score
Filing activity: Oct 2, 2007 → Feb 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10453306B2 | Gaming machine | Physics | 38 | Active |
| US9387106B2 | Medical device delivery systems and methods of use thereof | Human Necessities | 16 | Active |
| US9892599B2 | Systems and methods for providing a feature game | Physics | 5 | Active |
| US10154921B2 | Medical device delivery systems and methods of use thereof | Human Necessities | 4 | Active |
| US10957155B2 | Electronic gaming machine and method for holding designated symbols during a wagering game and incrementally increasing a multiplier | Physics | 3 | Active |
| US8568217B2 | Method of gaming and a game controller | Physics | 3 | Active |
| US11568706B2 | Gaming device having prize ladder populated with incrementable prize levels | Physics | 2 | Active |
| US11210901B2 | Gaming device with prize symbols | Physics | 1 | Active |
| US10325452B2 | Systems and methods for providing a feature game | Physics | 1 | Active |
| US10748371B2 | Gaming machine having modifiable symbols and prize awarding symbols | Physics | 1 | Active |
| US11107314B2 | Gaming device having prize ladder populated with incrementable prize levels | Physics | 1 | Active |
| US10922922B2 | Gaming system with feature variation based on player input | Physics | 0 | Active |
| US10223870B2 | Gaming system having prize modifiers and a method of modifying gaming prizes | Physics | 0 | Active |
| US12125349B2 | Electronic gaming machine and method for providing an award based upon a prize category and a prize sub-category | Physics | 0 | Active |
| US11532208B2 | Gaming machine with concurrent activatable wager options and individually selectable wager amounts | Physics | 0 | Active |
| US8951111B2 | Method of gaming and a game controller | Physics | 0 | Active |
| US8562405B2 | Gaming system and a method of gaming | Physics | 0 | Active |
| US11354971B2 | Gaming machine having modifiable symbols and prize awarding symbols | Physics | 0 | Active |
| US11430299B2 | Gaming machine having related trigger condition and game play characteristics | Physics | 0 | Active |
| US8182322B2 | Gaming system with symbol modifier for use between game rounds | Physics | 0 | Active |
| US11837056B2 | Method of gaming, a gaming system and a game controller | Physics | 0 | Active |
| US11062565B2 | Gaming machine with concurrent activatable wager options and individually selectable wager amounts | Physics | 0 | Active |
| US10803709B2 | Systems and methods for providing a feature game | Physics | 0 | Active |
| US11062568B2 | Electronic gaming machine and method for providing an award based upon a prize category and a prize sub-category | Physics | 0 | Active |
| US12056980B2 | Gaming machine having modifiable symbols and prize awarding symbols | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.