Hideaki Sugiura
22Patents
6h-index
42Co-inventors
69Inventor score
Filing activity: Nov 6, 1980 → Nov 4, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6678134B2 | Digital protective relay system | Electricity | 26 | Expired |
| US9713880B2 | Chainsaw | Performing Operations; Transporting | 22 | Active |
| US4326758A | Thrust bearing with tapered lands | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD668513S1 | Hedge trimmer | General | 12 | Active |
| US6822801B2 | Device for determining focused state of taking lens | Electricity | 11 | Expired |
| US4437215A | Thrust bearing with tapered lands | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7333346B2 | Circuit board having test coupon and method for evaluating the circuit board | Electricity | 6 | Expired |
| USD919209S1 | High-pressure cleaner | General | 3 | Active |
| US7570779B2 | Speaker | Electricity | 3 | Active |
| US11426746B2 | Pressure washer | Performing Operations; Transporting | 2 | Active |
| US6833538B2 | Device for determining focused state of taking lens | Electricity | 2 | Expired |
| US9209919B2 | Synchronization control system | Electricity | 2 | Active |
| US7010141B2 | Speaker device | Electricity | 1 | Expired |
| US7737677B2 | Wide area protection control measurement system and method | Emerging Cross-Sectional Technologies | 1 | Active |
| US7266901B2 | Multiple-bolt insertion tool | Performing Operations; Transporting | 1 | Active |
| US8396098B2 | Digital protective relay device and data transmission device for the same | Electricity | 0 | Active |
| US6804370B2 | Speaker capable to playback in wide frequency range | Electricity | 0 | Expired |
| US8059857B2 | Voice coil bobbin and speaker system | Electricity | 0 | Active |
| US11845112B2 | Pressure washer | Emerging Cross-Sectional Technologies | 0 | Active |
| US8961710B2 | Carburized component and manufacturing method | Chemistry; Metallurgy | 0 | Active |
| US9871365B2 | Protective relay system and protective relay device | Electricity | 0 | Active |
| US11667027B2 | Working machine | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.