Average Co-Inventor Count = 4.00
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. International Business Machines Corporation (2 from 164,219 patents)
2 patents:
1. 5491608 - Shockproof and portable disk storage apparatus having shock absorbers on
2. 5402308 - Portable disk storage apparatus using flexible cable for shock absorption