Average Co-Inventor Count = 3.27
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. Toyo Boseki Kabushiki Kaisha (3 from 789 patents)
3 patents:
1. 5695884 - Thermoplastic polyurethane
2. 4866006 - Process for producing hydrogenated amorphous silicon film
3. 4839701 - Hydrogenated amorphous silicon film