Average Co-Inventor Count = 4.80
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. Nippon Oil Company (1 from 690 patents)
2. Nippon Petrochemicals Company, Limited (1 from 327 patents)
2 patents:
1. 5317051 - Surface whitening preventing flame-retardant olefin polymer composition
2. 5100937 - Thermoplastic resin compositions