Average Co-Inventor Count = 3.04
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. Kabushiki Kaisha Yuyama Seisakusho (4 from 50 patents)
2. Yuyama Mfg. Co., Ltd. (1 from 249 patents)
5 patents:
1. 6119737 - Tablet packing apparatus
2. 6012602 - Drug storage/discharge apparatus
3. 5901876 - Drug storage/discharge apparatus
4. 5787678 - Drug packaging device
5. 5678393 - Drug packing apparatus