Average Co-Inventor Count = 7.00
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. Ihi Corporation (1 from 1,142 patents)
2. Ihi Infrastructure Systems Co., Ltd. (1 from 5 patents)
1 patent:
1. 12459057 - Repairing laser welding method and repairing laser welding device