Average Co-Inventor Count = 4.14
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. Nippon Telegraph and Telephone Corporation (5 from 5,290 patents)
2. Ntt Corporation (2 from 151 patents)
7 patents:
1. 12505732 - Disaster information provision device, disaster information provision system, disaster information provision method, and disaster information provision program
2. 12493757 - Detecting system, detecting apparatus, detecting method, and program
3. 11741563 - Management device, management method, and management program
4. 11598901 - Information presenting method, information presenting device, and information presenting program
5. 11416560 - Retrieval device, retrieval method, and retrieval program
6. 11301482 - Assist system and assist method
7. 11178081 - Management device, management method, and management program