Average Co-Inventor Count = 6.00
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, Ltd. (1 from 42,517 patents)
2. Hitachi Computer Engineering Co., Ltd. (1 from 61 patents)
1 patent:
1. 5136709 - Method for generating an operating system by a static link-editor