Average Co-Inventor Count = 3.00
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. Chichibu Cement Co., Ltd. (2 from 24 patents)
2 patents:
1. 5229093 - Method for making mullite whiskers using hydrofluoric acid
2. 5045514 - Sol-gel method for making composite mullite/cordierite ceramics