Average Co-Inventor Count = 2.40
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. Suncom, Incorporated (1 from 3 patents)
2. Tape-lock Company (1 from 1 patent)
2 patents:
1. 4628713 - Lock for video tape cassettes
2. 4533092 - Video cassette rapid rewinding/fast forwarding device