Average Co-Inventor Count = 1.71
ph-index = 3
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. Suncom, Incorporated (3 from 3 patents)
2. Tape-lock Company (1 from 1 patent)
4 patents:
1. 4864272 - Joystick controller
2. 4628713 - Lock for video tape cassettes
3. 4533092 - Video cassette rapid rewinding/fast forwarding device
4. 4439649 - Joy stick switch