Average Co-Inventor Count = 1.00
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. Jgc Corporation (161 patents)
2. Japan Oil, Gas and Metals National Corporation (94 patents)
3. Jgc Holdings Corporation (1 patent)
0 patent: