Average Co-Inventor Count = 3.83
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 High-tech Corporation (1 from 1,125 patents)
2. Hitachi Power Solutions Co., Ltd. (1 from 36 patents)
3. Hiatachi Power Solutions Co., Ltd. (1 from 1 patent)
3 patents:
1. 12320630 - Dimension measurement apparatus, semiconductor manufacturing apparatus, and semiconductor device manufacturing system
2. 10789120 - Preprocessor and abnormality predictor diagnosis system
3. 10496466 - Preprocessor of abnormality sign diagnosing device and processing method of the same