Average Co-Inventor Count = 1.00
ph-index = NA
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. Mitsubishi Heavy Industries Limited (4,631 patents)
2. Mitsubishi Heavy Industries Machine Tool Co., Ltd. (51 patents)
3. Yoshimura Company (8 patents)
4. Fuji Hollow Valve Inc. (6 patents)
0 patent: