Average Co-Inventor Count = 7.11
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. Hitachi, Ltd. (3 from 42,485 patents)
3 patents:
1. 5297222 - Image processing apparatus
2. 5010479 - Information processing and storage system with signal transmission loop
3. 4763254 - Information processing system with data storage on plural loop