Average Co-Inventor Count = 2.00
ph-index = 2
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. Nippon Steel Chemical Co., Ltd. (2 from 173 patents)
2 patents:
1. 5540581 - Mold for injection molding a thermoplastic part free from sink marks
2. 5232654 - Injection molding method for manufacturing a thermoplastic part free