Average Co-Inventor Count = 6.00
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. Osaka Prefecture (1 from 17 patents)
2. Okamoto Co., Ltd. (1 from 3 patents)
3. Kabushiki Kaisha Sankyogokin Chuzoasho (1 from 1 patent)
1 patent:
1. 6908589 - High manganese cast iron containing spheroidal vanadium carbide and method for making therof