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. Other (1 from 832,843 patents)
2. Futaba Corporation (1 from 224 patents)
3. Tokai Carbon Company, Ltd. (1 from 73 patents)
1 patent:
1. 6989083 - Method for preparing carbon nano-fine particle, apparatus for preparing the same and mono-layer carbon nanotube