Average Co-Inventor Count = 2.73
ph-index = 8
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. (19 from 42,488 patents)
2. Nippon Columbia Co., Ltd. (1 from 44 patents)
19 patents:
1. 9058587 - Communication support device, communication support system, and communication support method
2. 8674849 - Information display terminal
3. 7852740 - Information recording medium storing system and storing case
4. 7834912 - Attention level measuring apparatus and an attention level measuring system
5. 7805271 - Evaluation system for amount of emission gases through fuel supply chain
6. 7771054 - Display system and camera system
7. 7696897 - Shelf-like display machine and image display method
8. 7520615 - Display apparatus and image pickup apparatus
9. 7479903 - Input device using elastic material
10. 7447332 - Image distribution system of surveillance camera with privacy protection
11. 7369042 - Warning device for vehicles
12. 7168809 - Stereoscopic display apparatus
13. 7059733 - Display apparatus
14. 7059729 - Display apparatus and image pickup apparatus
15. 6967695 - Remote control network system for remotely controlling a plurality of electric apparatus such as home appliances