Average Co-Inventor Count = 4.00
ph-index = 1
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. Sekisui Chemical Co., Ltd. (2 from 878 patents)
2. Tokuyama Sekisui Co., Ltd. (18 patents)
3. Sekisui Chemical Hokkaido Co., Ltd. (0 patent)
2 patents:
1. 10287420 - Thermal expansion resin composition
2. 9994693 - Thermally expandable resin composition