Average Co-Inventor Count = 6.41
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. Yuyama Mfg. Co., Ltd. (2 from 249 patents)
2. Yamada Manufacturing Co., Ltd. (1 from 165 patents)
3 patents:
1. 10308386 - Medicine dispensing apparatus
2. 9770388 - Co-infusion apparatus and co-infusion method
3. 9474691 - Coinfusion apparatus