Average Co-Inventor Count = 3.00
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. Kabushiki Kaisha Yuyama Seisakusho (2 from 50 patents)
2. Yuyama Mfg. Co., Ltd. (1 from 249 patents)
3 patents:
1. 7603197 - Medicine packing apparatus
2. 6364517 - Drug dispenser and quantity input device
3. 6181982 - Drug dispenser and quantity input device