Fumitaka Itoh
10Patents
4h-index
8Co-inventors
49Inventor score
Filing activity: Aug 27, 1992 → Sep 7, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6275690A | Cellular mobile telephone apparatus | Electricity | 27 | Expired |
| US6539218B2 | Message transmitter and response message transmitting method in cellular mobile telephone apparatus and recording medium recording program for executing the method | Electricity | 15 | Expired |
| US6799034B2 | Response message transmitter and response message transmitting method in cellular mobile telephone apparatus and recording medium recording program for executing the method | Electricity | 9 | Expired |
| US5991379A | Radio communication system authenticating a personal station and calculating a fee of a telephone call from the personal station | Electricity | 5 | Expired |
| US6823182B1 | Cellular mobile telephone apparatus | Electricity | 4 | Expired |
| US5595598A | Method for adjusting consistency | Chemistry; Metallurgy | 3 | Expired |
| US5332434A | Method for adjusting consistency | Chemistry; Metallurgy | 2 | Expired |
| US8346221B2 | Message transmitter and response message transmitting method in cellular mobile telephone apparatus and recording medium recording program for executing the method | Electricity | 1 | Active |
| US8340643B2 | Response message transmitter and response message transmitting method in cellular mobile telephone apparatus and recording medium recording program for executing the method | Electricity | 1 | Active |
| US6333977A | Communication method authenticating a personal station and calculating a fee of a telephone call from the personal station | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.