Average Co-Inventor Count = 1.11
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. Houghton Technical Corporation (4 from 18 patents)
2. Houghton Metal Finishing Company (1 from 1 patent)
5 patents:
1. 10260153 - Methods and compositions for acid treatment of a metal surface
2. 9732428 - Methods and compositions for acid treatment of a metal surface
3. 8518286 - Methods and compositons for acid treatment of a metal surface
4. 8252195 - Methods and compositions for acid treatment of a metal surface
5. 6506263 - Sealant composition