Average Co-Inventor Count = 1.50
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. The University of Melbourne (2 from 323 patents)
2. The Broken Hill Proprietary Company Limited (1 from 87 patents)
2 patents:
1. 5611307 - Internal combustion engine ignition device
2. 5117800 - Oxygen enrichment of fuels