Average Co-Inventor Count = 3.00
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 Soda Co., Ltd. (2 from 517 patents)
2 patents:
1. 4900701 - Zirconia sintered body and process for the production thereof
2. 4772576 - High density alumina zirconia ceramics and a process for production