Average Co-Inventor Count = 3.00
ph-index = 2
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. Anritsu Electric Co., Ltd. (4 from 37 patents)
4 patents:
1. 4794475 - Automatic loading horizontal type open-reel magnetic tape drive unit
2. 4787571 - Automatic loading horizontal type of open-reel magnetic tape drive unit
3. 4775905 - Automatic loading horizontal type open-reel magnetic tape drive unit
4. 4653704 - Automatic loading horizontal type of open-reel magnetic tape drive unit