Average Co-Inventor Count = 4.09
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. Panasonic Corporation (2 from 16,453 patents)
2. Phc Holdings Corporation (1 from 189 patents)
3 patents:
1. 12111097 - Refrigeration apparatus
2. 8345905 - Hearing aid
3. 8270645 - Hearing aid