Average Co-Inventor Count = 2.93
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)
2. Yamada Manufacturing Co., Ltd. (1 from 165 patents)
4 patents:
1. 10308386 - Medicine dispensing apparatus
2. 8944281 - Upright vial discharge unit
3. 8757346 - Medicament filling machine
4. 8640747 - Medicine filling device