Yoshiaki Hironaka
15Patents
8h-index
14Co-inventors
65Inventor score
Filing activity: Apr 8, 1986 → May 9, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5116287A | Decompressor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6802284B2 | Fuel injection device and air-fuel mixture generating device provided with fuel injection device | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4714447A | Power train of mowing machine | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5110468A | Fresh water generator | Performing Operations; Transporting | 12 | Expired |
| US4944711A | Extendable/retractable operational sleeve | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6374782B2 | Air-fuel mixture generating device | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6517330B2 | Reciprocating pump | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5211140A | Decompressor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5063890A | 2-cycle internal combustion engine | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5901687A | Cassette-type fuel tank and working machine provided with the same | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6742994B2 | Reciprocating pump with malfunction detecting apparatus | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4953526A | Portable work machine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6354522B2 | Electrostatic sprayer | Performing Operations; Transporting | 2 | Expired |
| US6574085B1 | Power supply apparatus for electrostatic charging and method for same | Electricity | 0 | Expired |
| US4932364A | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.