Average Co-Inventor Count = 4.00
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. Rinnai Corporation (1 from 192 patents)
2. Rinnai Kabushiki Kaisha (1 from 39 patents)
2 patents:
1. 9557055 - Combustion plate
2. D676707 - Burner plate