Average Co-Inventor Count = 2.63
ph-index = 5
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. (5 from 249 patents)
5 patents:
1. 8678231 - Medicine dispensing device
2. 8365950 - Medicine dispensing device
3. 7857163 - Drug dispenser
4. 7686184 - Medicine dispensing device
5. 7311222 - Drug dispenser