Average Co-Inventor Count = 1.89
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.
Company Filing History:
1. Williams Electronics Games, Inc. (5 from 91 patents)
6 patents:
1. 11972087 - Adjustment of audio systems and audio scenes
2. 5524887 - Multi-directional ball popper for a pinball game
3. 5480149 - Flipper feeder ramp
4. 5358242 - Ball storage device for pinball games
5. 5316303 - Holographic display for pinball games
6. 5120058 - Multiple path ball ramp for pinball games