Average Co-Inventor Count = 2.00
ph-index = 1
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. Kroy LLC (2 from 39 patents)
2 patents:
1. 4773775 - Tape-ribbon cartridge
2. 4697940 - Lettering apparatus