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. Ohki Co., Ltd. (13 patents)
2. Tsubakimoto Kogyo Co. Ltd. (9 patents)
3. Fabrica Toyama Corporation (3 patents)
0 patent: