Average Co-Inventor Count = 2.00
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. Nec Corporation (2 from 35,670 patents)
2 patents:
1. D344934 - Magnetic tape storage unit for an electronic computer
2. D344722 - Magnetic tape storage unit for an electronic computer