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. Ibiden Company Limited (1 from 1,480 patents)
2. Ibigawa Electric Industry Co., Ltd. (1 from 7 patents)
2 patents:
1. 4415535 - Apparatus for refining metal carbides containing free carbon
2. 4327067 - Method for refining metal carbides containing free carbon