Average Co-Inventor Count = 4.44
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. Seagate Technology Incorporated (1 from 8,683 patents)
2. Hitachi-lg Data Storage Korea, Inc. (1 from 71 patents)
2 patents:
1. 8341653 - Optical disc storage system
2. 5600512 - Disc spacer with interior groove