Hiroki Sakamoto
39Patents
5h-index
76Co-inventors
72Inventor score
Filing activity: Oct 22, 1991 → Dec 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6612291B2 | Fuel injection controlling system for a diesel engine | Mechanical Engineering; Lighting; Heating | 77 | Expired |
| US6148616A | Turbocharger control system for turbocharged internal combustion engines equipped with exhaust-gas recirculation control system | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5196672A | Laser processing arrangement | Performing Operations; Transporting | 23 | Expired |
| US5446257A | Welding method and welding device | Performing Operations; Transporting | 13 | 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 |
| US8410887B2 | Built-in-coil substrate | Electricity | 5 | Active |
| US6548191B2 | Filler wire for laser-welding aluminum alloy member, method of welding aluminum alloy member by using the filler wire, and welded-aluminum alloy member produced by using the filler wire | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5313042A | Laser hardening device | Chemistry; Metallurgy | 5 | Expired |
| US11990596B2 | Battery unit | Emerging Cross-Sectional Technologies | 1 | Active |
| US7292424B2 | Arcing horn device | Electricity | 1 | Expired |
| US11708928B2 | Resin joint, channel block, and fluid control device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US5182433A | Method of laser quenching | Chemistry; Metallurgy | 1 | Expired |
| US10340682B2 | Electronic device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10034380B2 | Electronic device and method for manufacturing electronic device | Emerging Cross-Sectional Technologies | 1 | Active |
| US6838327B2 | Method for manufacturing semiconductor device having insulating film with N—H bond | Electricity | 1 | Expired |
| USD1002797S1 | Fluid block | General | 0 | Active |
| US12148909B2 | Electric vehicle | Electricity | 0 | Active |
| US11013117B2 | Electronic device with built in fuse | Electricity | 0 | Active |
| US12278385B2 | Interlock structure of power supply system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9022823B2 | Exhaust structure of outboard motor | Performing Operations; Transporting | 0 | Active |
| US11485234B2 | Power supply system | Emerging Cross-Sectional Technologies | 0 | Active |
| USD992692S1 | Fluid block | General | 0 | Active |
| US12272469B2 | Conductive two-dimensional particle and method for producing the same | Chemistry; Metallurgy | 0 | Active |
| USD1001971S1 | Fluid block | General | 0 | Active |
| US12109974B2 | Pedestrian protection device | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.