Average Co-Inventor Count = 5.00
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. Shibuya Kogyo Co., Ltd. (2 from 134 patents)
2. Other (1 from 832,812 patents)
3. Kao Corporation (1 from 3,602 patents)
4. Nissho Corporation (1 from 120 patents)
2 patents:
1. 5339600 - Cap conveying unit
2. 4935125 - Dialysis system