Tatsuya Yaguchi
41Patents
8h-index
55Co-inventors
78Inventor score
Filing activity: Nov 29, 1984 → Mar 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5351134A | Image communication system, and image communication apparatus and modem used in the system | Electricity | 105 | Expired |
| US5818929A | Method and apparatus for DTMF detection | Electricity | 55 | Expired |
| US4631596A | Image communications apparatus for long-size copy image | Electricity | 49 | Expired |
| US5432794A | Automatic Equalizer | Electricity | 32 | Expired |
| US4679093A | Image communication apparatus | Electricity | 23 | Expired |
| US5818870A | Digital communication device | Electricity | 15 | Expired |
| US5175746A | Receiving apparatus and transmitting-receiving apparatus | Electricity | 14 | Expired |
| US5153527A | Demodulation apparatus having reception state evaluation | Electricity | 12 | Expired |
| US8377604B2 | Fuel cell stack structure with tie rod including inner shaft and outer cylinder fastened together with joining material and manufacturing method | Emerging Cross-Sectional Technologies | 8 | Active |
| US5638400A | Receiver | Electricity | 8 | Expired |
| US5337332A | Training detection apparatus | Electricity | 6 | Expired |
| US5623521A | Digital gain controller and gain control method | Electricity | 5 | Expired |
| US6980584B1 | Reception apparatus | Electricity | 4 | Expired |
| US8580452B2 | Fuel cell assembly | Emerging Cross-Sectional Technologies | 3 | Active |
| US8168346B2 | Fuel cell stack structure | Emerging Cross-Sectional Technologies | 3 | Active |
| US8535846B2 | Fuel cell | Emerging Cross-Sectional Technologies | 3 | Active |
| US7556878B2 | Fuel cell with separator and porous support member including high density portion | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9333265B2 | Organic-inorganic hybrid composite of polymerized nitroxide compound and inorganic particles | Chemistry; Metallurgy | 1 | Active |
| US8815461B2 | Solid electrolyte fuel cell system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9406949B2 | Fuel cell system and control method thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US10439237B2 | Fuel cell system and control of collector and burner when stopped | Emerging Cross-Sectional Technologies | 0 | Active |
| US9951742B2 | Ignition control system for internal combustion engine and ignition control method | Emerging Cross-Sectional Technologies | 0 | Active |
| US10985387B2 | Fuel cell system and fuel cell system warm-up method | Emerging Cross-Sectional Technologies | 0 | Active |
| US10374241B2 | Fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9929415B2 | Fuel cell system and control method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.