Average Co-Inventor Count = 5.33
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. Kyowa Yuka Co., Ltd. (4 from 22 patents)
4 patents:
1. 6770709 - Resin composition
2. 6372871 - Dithiocarbonate composition
3. 616004 - Compositions containing dithiocarbonate compound
4. 6160044 - Compositions containing dithiocarbonate compound