Average Co-Inventor Count = 4.00
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. The Japan Steel Works, Ltd. (1 from 405 patents)
2. Toyo Kohan Co., Ltd. (1 from 259 patents)
1 patent:
1. 4427446 - Corrosion-resistant and abrasive wear-resistant composite material for