Average Co-Inventor Count = 1.23
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. Ampex Corporation (3 from 519 patents)
2. Other (1 from 832,912 patents)
4 patents:
1. 5166850 - Rigid, wedge-shaped mounting structure for minimizing resonances to
2. 4184183 - Field replaceable heads for magnetic tape machine
3. 4099210 - Rotating transducing head assembly
4. 4099212 - Rotating transducing head assembly