Growing community of inventors

Carson City, NV, United States of America

John W Chamberlain

Average Co-Inventor Count = 4.35

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 568

John W ChamberlainBryan D Wolf (5 patents)John W ChamberlainAli M Saffari (5 patents)John W ChamberlainLarry R Hollibaugh (4 patents)John W ChamberlainJames A Vasquez (2 patents)John W ChamberlainWilliam Brosnan (2 patents)John W ChamberlainTed M Gail (2 patents)John W ChamberlainM Ali Saffari (2 patents)John W ChamberlainStephen W Morro (2 patents)John W ChamberlainTerrence Lee McCreary, Jr (2 patents)John W ChamberlainMohamad Ali Saffari (2 patents)John W ChamberlainJoseph Randolph Hedrick (1 patent)John W ChamberlainKirk A Tedsen (1 patent)John W ChamberlainCharles Walter Johnson (1 patent)John W ChamberlainStewart Thoeni (1 patent)John W ChamberlainTai Rosander (1 patent)John W ChamberlainJohn Leagh Beadell (1 patent)John W ChamberlainRussell Chudd (1 patent)John W ChamberlainChristopher T Lundy (1 patent)John W ChamberlainAnisur Rahman Chowdhury (1 patent)John W ChamberlainGene Elvin Powell (1 patent)John W ChamberlainMatthew A Franich (1 patent)John W ChamberlainJulia Janeen Angst (1 patent)John W ChamberlainMatthew D Cloutier (1 patent)John W ChamberlainJames W Timperley (1 patent)John W ChamberlainPatrick J Nohr (1 patent)John W ChamberlainJared P Wulff (1 patent)John W ChamberlainGregory D Wright (1 patent)John W ChamberlainMark A Jaillet (1 patent)John W ChamberlainChun J Jia (1 patent)John W ChamberlainKhanh Trang N Hajek (1 patent)John W ChamberlainJacqueline M Ragnone (1 patent)John W ChamberlainRandall J Tognoni (1 patent)John W ChamberlainAli Mohamad Saffari (1 patent)John W ChamberlainJohn W Chamberlain (10 patents)Bryan D WolfBryan D Wolf (185 patents)Ali M SaffariAli M Saffari (39 patents)Larry R HollibaughLarry R Hollibaugh (25 patents)James A VasquezJames A Vasquez (75 patents)William BrosnanWilliam Brosnan (53 patents)Ted M GailTed M Gail (15 patents)M Ali SaffariM Ali Saffari (5 patents)Stephen W MorroStephen W Morro (4 patents)Terrence Lee McCreary, JrTerrence Lee McCreary, Jr (2 patents)Mohamad Ali SaffariMohamad Ali Saffari (2 patents)Joseph Randolph HedrickJoseph Randolph Hedrick (125 patents)Kirk A TedsenKirk A Tedsen (46 patents)Charles Walter JohnsonCharles Walter Johnson (41 patents)Stewart ThoeniStewart Thoeni (35 patents)Tai RosanderTai Rosander (31 patents)John Leagh BeadellJohn Leagh Beadell (29 patents)Russell ChuddRussell Chudd (19 patents)Christopher T LundyChristopher T Lundy (13 patents)Anisur Rahman ChowdhuryAnisur Rahman Chowdhury (10 patents)Gene Elvin PowellGene Elvin Powell (10 patents)Matthew A FranichMatthew A Franich (9 patents)Julia Janeen AngstJulia Janeen Angst (6 patents)Matthew D CloutierMatthew D Cloutier (2 patents)James W TimperleyJames W Timperley (2 patents)Patrick J NohrPatrick J Nohr (2 patents)Jared P WulffJared P Wulff (2 patents)Gregory D WrightGregory D Wright (1 patent)Mark A JailletMark A Jaillet (1 patent)Chun J JiaChun J Jia (1 patent)Khanh Trang N HajekKhanh Trang N Hajek (1 patent)Jacqueline M RagnoneJacqueline M Ragnone (1 patent)Randall J TognoniRandall J Tognoni (1 patent)Ali Mohamad SaffariAli Mohamad Saffari (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Igt (10 from 4,363 patents)


10 patents:

1. D723626 - Gaming device cabinet

2. 8690663 - Payline and wagering options for low denomination games

3. 8641513 - Multiple monetary type gaming machine with cash conversion functionality

4. 8506387 - Multiple monetary type gaming machine with cash conversion functionality

5. 8197326 - Multi-player bingo game with multiple alternate outcome displays

6. 7819742 - Gaming device having an electronic funds transfer system

7. 7771277 - Electronic fund transfer kiosk for use with wagering gaming machine

8. 7749079 - Gaming device having an electronic funds transfer system

9. 7731581 - Multi-player bingo game with multiple alternative outcome displays

10. 6752312 - Gaming machine with hopper and printer

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as of
12/28/2025
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