Growing community of inventors

South Lake Tahoe, CA, United States of America

Kristopher E Landrum

Average Co-Inventor Count = 2.18

ph-index = 4

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 = 123

Kristopher E LandrumWilliam L Hecht (3 patents)Kristopher E LandrumDarren Maya (1 patent)Kristopher E LandrumMarc S Mierau (1 patent)Kristopher E LandrumKristopher E Landrum (4 patents)William L HechtWilliam L Hecht (6 patents)Darren MayaDarren Maya (70 patents)Marc S MierauMarc S Mierau (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Igt (4 from 4,377 patents)


4 patents:

1. 7789748 - Gaming device having player-selectable music

2. 7708642 - Gaming device having pitch-shifted sound and music

3. 7666098 - Gaming device having modified reel spin sounds to highlight and enhance positive player outcomes

4. 6848996 - Gaming device with sound recording changes associated with player inputs

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as of
1/19/2026
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