Average Co-Inventor Count = 2.67
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 Metals, Ltd. (1 from 2,333 patents)
2. Hitachi Metals Precision, Ltd. (1 from 8 patents)
3. Furukawa Metals Co., Ltd. (1 from 8 patents)
2 patents:
1. 10442234 - Booklet finishing device
2. 4290806 - Copper alloy for reliable electrical connection