Average Co-Inventor Count = 3.33
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. Riken Vinyl Industry Co., Ltd (2 from 15 patents)
2. Riken Technos Corporation (1 from 81 patents)
3 patents:
1. 6566447 - Resin composition and resin sheet
2. 6433081 - Resin composition and resin sheet
3. 6183842 - Decorative laminated sheet