Average Co-Inventor Count = 2.45
ph-index = 6
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 Koki Co., Ltd. (6 from 1,267 patents)
6 patents:
1. D437418 - Desk centrifuge
2. D432243 - Centrifuge
3. D416572 - Printer for electronic computer
4. D413140 - Printer for a computer
5. D367867 - Small-sized centrifuge
6. 5265657 - Portable electric router