Average Co-Inventor Count = 4.00
ph-index = 2
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. Eidg. Technische Hochschule Zurich (2 from 2 patents)
2. Imertech Sas (49 patents)
3. Johnson Matthey Fuel Cells Limited (38 patents)
4. Johnson Matthey Hydrogen Technologies Limited (11 patents)
5. Imerys Graphite & Carbon Switzerland Ltd. (8 patents)
6. Timcal Ltd. (4 patents)
7. Timcal Sa (1 patent)
8. Timcal Ag (1 patent)
2 patents:
1. 6605266 - Use and process for production of nanotubes
2. 6210800 - Use and production of nanotubes containing a mixed valence venadium