Average Co-Inventor Count = 4.00
ph-index = 1
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. Hitachi Systems, Ltd. (1 from 34 patents)
2. Mori Machinery Corporation (1 from 3 patents)
3. Iro Co., Ltd. (1 from 1 patent)
1 patent:
1. D836142 - Punch of tableting machine