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. Kao Corporation (4 from 3,602 patents)
4 patents:
1. D1027643 - Pump dispenser for bottle
2. D988866 - Pump dispenser for bottle
3. D931726 - Main body of pump dispenser
4. D915197 - Ring for pump dispenser