Average Co-Inventor Count = 2.40
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, Inc. (2 from 388 patents)
2. Hitachi, Ltd. (1 from 42,488 patents)
3. Hitachi Consumer Electronics Co., Ltd. (1 from 365 patents)
3 patents:
1. 9390745 - Data archive system
2. 9324359 - System and server for efficient data recording on and reproduction from storage media having multiple surfaces
3. 7203517 - Mobile communication terminal device