Average Co-Inventor Count = 3.83
ph-index = 3
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. (3 from 42,496 patents)
3 patents:
1. 5079834 - Apparatus for and method of mounting electronic components
2. 4915770 - Electronic chip supplying apparatus and method
3. 4704792 - Components feeding apparatus