Natsuko Tsutazawa
6Patents
3h-index
5Co-inventors
39Inventor score
Filing activity: Mar 21, 2005 → Aug 4, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7752273B2 | Group communication system based on presence information and client device | Physics | 55 | Active |
| US7224973B2 | Communication agent apparatus | Electricity | 19 | Expired |
| US7814120B2 | List management server for managing updating of list by third-party terminal, list management system, list managing method, and program | Electricity | 14 | Active |
| US8131810B2 | Reachability realization server, management system, management method and realization program | Physics | 1 | Active |
| US7782186B2 | Abstract state monitoring system and method for the same | Electricity | 1 | Active |
| US9009236B2 | Information delivery system, delivery destination control method and delivery destination control program | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.