Hitoshi Hachiga
6Patents
4h-index
8Co-inventors
50Inventor score
Filing activity: Oct 12, 1984 → Jan 14, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4597104A | Selective call signal detection circuit for multi-channel access type radio receiving station | Electricity | 17 | Expired |
| US5581598A | Apparatus and method for setting an ID number by sound in a cordless telephone | Electricity | 9 | Expired |
| US7978031B2 | High frequency module provided with power amplifier | Electricity | 8 | Active |
| US5896109A | Antenna for radio communication equipment having improved impedance adjustment | Electricity | 5 | Expired |
| US7212126B2 | Location information detecting method and system | Physics | 4 | Expired |
| US7110719B2 | Indoor mobile communication device | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.