Average Co-Inventor Count = 3.00
ph-index = 5
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. Toto Ltd. (5 from 1,195 patents)
5 patents:
1. D432218 - Trap portion of a water closet
2. D406329 - Trap portion of a water closet
3. D399294 - Water closet
4. D384136 - Water closet
5. D379496 - Water closet