Average Co-Inventor Count = 2.67
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. Sharp Corporation (4 from 847 patents)
4 patents:
1. D316596 - Fan heater
2. D315403 - Fan heater
3. D313678 - Dishwasher
4. D301780 - Combined clothes washer and drier