Average Co-Inventor Count = 1.29
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. Memorex Corporation (3 from 58 patents)
3 patents:
1. 4880180 - Tape reel
2. 4088278 - Reel for magnetic recording tape
3. 4084200 - Magnetic disc cartridge