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, Ltd. (1 from 42,494 patents)
2. Hitachi Plant Technologies, Ltd. (1 from 136 patents)
2 patents:
1. 8739700 - Screen printer including film suction mechanism and auxiliary stages
2. D686276 - Cream solder printer