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. Kokusai Electric Corporation (2 from 608 patents)
2 patents:
1. D980177 - Ceiling heater for substrate processing apparatus
2. D959393 - Ceiling heater for substrate processing apparatus