Average Co-Inventor Count = 4.00
ph-index = 3
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. (4 from 1,192 patents)
4 patents:
1. D484223 - Water closet
2. D432219 - Toilet seat with cover
3. D413658 - Combined toilet seat and cover
4. 5666672 - Toilet attachment with easily detachable seat