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. Nippon Yakin Kogyo Co., Ltd. (2 from 47 patents)
2 patents:
1. 5055145 - Production process of ferrite stainless steel covered with oxide whisker
2. 5017544 - Production process of ferrite stainless steel covered with oxide whisker