Average Co-Inventor Count = 2.88
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. (5 from 42,485 patents)
2. Kyoto University (1 from 814 patents)
3. Hitachi Consumer Electronics Co., Ltd. (1 from 365 patents)
6 patents:
1. 11756443 - Learning support system
2. 11538491 - Interaction system, non-transitory computer readable storage medium, and method for controlling interaction system
3. 10466972 - Automatic program generation system and automatic program generation method
4. 8774705 - Learning support system and learning support method
5. 8379992 - Computer-aided image interpretation method and device
6. 8359324 - Geographic information system