Average Co-Inventor Count = 3.33
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. (4 from 249 patents)
4 patents:
1. 8944281 - Upright vial discharge unit
2. 8403010 - Tablet filling device
3. 8381491 - Vial lid fastening device and medicine accommodating and removing device
4. 8167008 - Tablet filling instrument