Average Co-Inventor Count = 3.75
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. Fuji Electric Co., Ltd. (2 from 4,804 patents)
2. Nippon Steel Corporation (1 from 3,548 patents)
2 patents:
1. 5497320 - Two-level document processing method
2. 4767103 - Convertor pressure control device in a convertor waste gas disposing