Average Co-Inventor Count = 1.67
ph-index = 1
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. Hitachi-lg Data Storage Korea, Inc. (2 from 71 patents)
2 patents:
1. 8824250 - Archive system for double sided optical disc
2. 8365209 - Optical disc drive