Average Co-Inventor Count = 2.04
ph-index = 6
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. (6 from 91 patents)
2. Capcom Coin-Op, Inc. (1 from 13 patents)
3. Gamestar, Inc. (1 from 4 patents)
8 patents:
1. 5938195 - Serpentine ramp for a pinball game
2. 5632482 - Vertically disposed multi-level pinball game
3. 5501466 - Coin projecting game apparatus
4. 5474292 - Pinball game ball diverter mechanism
5. 5383663 - Player controlled dump ramp for a pinball game
6. D352738 - Pinball game cabinet
7. 5358241 - Helical monorail ramp for a pinball game
8. 5356141 - Roulette scoring device