Average Co-Inventor Count = 2.00
ph-index = 3
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. Kureha Kagaku Kogyo Kabushiki Kaisha (3 from 776 patents)
3 patents:
1. 4207082 - Apparatus for the continuous purification of exhaust gas containing
2. 4149023 - Method for reclaiming a used active carbon
3. 4139489 - Method for reclaiming a used active carbon by applying electric current