Shinya Isumi
4Patents
1h-index
3Co-inventors
37Inventor score
Filing activity: May 29, 1996 → Jun 24, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5815816A | Method for managing communication channels in mobile telecommunications system and radiotelephone system for use therein | Electricity | 46 | Expired |
| US6212394A | Radio communication system | Electricity | 0 | Expired |
| US8989054B2 | IP device exchange apparatus and call connection changing method | Electricity | 0 | Active |
| US7738649B2 | Computer system using identification information and control method thereof | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.