Average Co-Inventor Count = 1.71
ph-index = 4
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. Sri International (1 from 1,327 patents)
2. Gas Research Institute (1 from 645 patents)
3. Stanford Research Institute (1 from 51 patents)
4. American Gas Association (1 from 18 patents)
4 patents:
1. 4812300 - Selective perovskite catalysts to oxidize ammonia to nitric oxide
2. 4740491 - Process for passivating high activity transition metal sulfide catalysts
3. 4132672 - Methanation catalyst
4. 3970431 - Carbon monoxide gas detector