Average Co-Inventor Count = 1.33
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. Dainippon Sumitomo Pharma Co., Ltd. (1 from 140 patents)
2. Japan Vilene Company, Ltd. (1 from 87 patents)
2 patents:
1. 8192761 - Granular preparation containing biguanide compound
2. 5728407 - Die for melt-blowing apparatus