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. Rinnai Corporation (5 from 192 patents)
5 patents:
1. D1058780 - Water heater
2. D1053999 - Water heater
3. D957597 - Water heater
4. D941972 - Water heater
5. D832118 - Remote control for water heater