Average Co-Inventor Count = 1.33
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. Iris Ohyama Inc. (4 from 153 patents)
4 patents:
1. D930291 - Pet toilet
2. D887088 - Pet carrier
3. D857307 - Pet feeding bowl
4. D851337 - Pet feeder