Average Co-Inventor Count = 4.21
ph-index = 4
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 (3 from 775 patents)
2. Jcr Pharmaceuticals Co., Ltd. (1 from 80 patents)
4 patents:
1. 5753123 - Method for purifying thrombomodulin
2. 5468380 - Method for quantitatively measuring sugar-alcohol, column and kit
3. 5407806 - Method for quantitatively measuring sugar-alcohol, column and kit
4. 4966774 - Superoxide dismutase composition