Average Co-Inventor Count = 3.00
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. (3 from 42,496 patents)
3 patents:
1. 12461597 - Work support system and work support method
2. 12387426 - Three-dimensional grid-based data processing device and three-dimensional grid-based data processing method
3. 11900669 - Calibration device and calibration method