Average Co-Inventor Count = 10.91
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. Toto Ltd. (2 from 1,193 patents)
2 patents:
1. 5829468 - Valve device using pipes and method of manufacturing it
2. 5143295 - Bubbly water outlet device