Average Co-Inventor Count = 3.27
ph-index = 3
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. (3 from 249 patents)
3 patents:
1. 7827764 - Medicine delivering device
2. 7596925 - Medicine delivering device
3. 7500337 - Medicine packaging device