Average Co-Inventor Count = 3.33
ph-index = 4
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. S. C. Johnson Son, Inc. (3 from 2,355 patents)
2. Audiotoniq, Inc. (1 from 16 patents)
4 patents:
1. 8442252 - Behind-the-ear hearing aid with interchangeable ear hook and ear tube
2. D588252 - Reed diffuser and light source
3. D582534 - Reed diffuser inner vase
4. D581035 - Reed diffuser and light source