Average Co-Inventor Count = 2.00
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. A&d Company, Limited (2 from 81 patents)
2 patents:
1. 5921232 - Handy type inhaler
2. 5881714 - Handy type atomizer