Average Co-Inventor Count = 1.27
ph-index = 2
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. Capcom Coin-Op, Inc. (4 from 13 patents)
2. Gamestar, Inc. (2 from 4 patents)
3. Other (1 from 832,966 patents)
7 patents:
1. 5620181 - Signaling device for amusement game
2. 5558327 - Pinball wand
3. 5507487 - Wire form for pinball skill loop shot
4. 5497994 - Pinball movable doors
5. 5452894 - Pinball wand
6. 5449172 - Pinball property changing target
7. 5417422 - Pinball optical illusion techniques