Average Co-Inventor Count = 8.00
ph-index = 1
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. Honda Motor Co., Ltd. (1 from 22,004 patents)
2. Nippon Leakless Industry Co., Ltd. (1 from 30 patents)
1 patent:
1. 7147919 - Expansion graphite sheet of high thermal resistance, and exhaust gasket of high thermal resistance