Average Co-Inventor Count = 3.58
ph-index = 3
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 Kayaku Kabushiki Kaisha (4 from 781 patents)
4 patents:
1. 7516983 - Gas generator
2. 7398996 - Gas producer
3. D499746 - Gas generator for an air bag system
4. D490822 - Housing for a gas generator for a vehicle airbag device