Hiroyoshi Sato
6Patents
3h-index
11Co-inventors
54Inventor score
Filing activity: Oct 22, 1986 → Feb 22, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD301031S | Key telephone set | General | 17 | Expired |
| US7676512B2 | Document management server, information terminal apparatus, image forming apparatus, document managing method, and program | Physics | 8 | Active |
| USD309726S | Telephone handset | General | 3 | Expired |
| US8717995B2 | Communication apparatus, base station apparatus, mobile station apparatus, communication system and communication method | Electricity | 1 | Active |
| US8467542B2 | Sound recording device, sound recording method, and sound recording program embodied on computer readable medium | Electricity | 1 | Active |
| US8315397B2 | Microphone device and portable recorder comprising same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.