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. Dai Nippon Toryo Co., Ltd. (1 from 116 patents)
2. Nippon Steel & Sumikin Anti-corrosion Co., Ltd. (1 from 1 patent)
1 patent:
1. 8845400 - Rotary grinding tool and its production method