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. Other (1 from 832,812 patents)
2. Johnson Research Development Company, Inc. (1 from 60 patents)
2 patents:
1. 6280654 - Glow in the dark rosin
2. 6119671 - Toy projectile launcher