Hisashi Inaga
18Patents
11h-index
13Co-inventors
65Inventor score
Filing activity: Oct 7, 1974 → Apr 23, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD264675S | Blade for power scythe | General | 37 | Expired |
| US3945119A | Vibration isolation device for handles of chain saw | Performing Operations; Transporting | 19 | Expired |
| US4429668A | Internal combustion engine for portable machine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US3934344A | Portable chain saw | Performing Operations; Transporting | 16 | Expired |
| US4249311A | Grass cutting apparatus | Human Necessities | 15 | Expired |
| US4178685A | Chain saw | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| USD264042S | Blade for power scythe | General | 13 | Expired |
| US4344395A | Ignition system with ignition timing retarding circuit for internal combustion engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4413705A | Exhaust muffler for a two-cycle opposed cylinder engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4156477A | Braking system of chain saw | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4977875A | Two-stroke-cycle uniflow spark-ignition engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4223440A | Cord-type mowing machine | Human Necessities | 8 | Expired |
| US4995350A | 2-cycle uni-flow spark-ignition engine | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5038690A | Waste combustion system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4630590A | Internal combustion engine apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4507865A | Grass trimmer | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4446822A | Heat insulating mounting device for carburetor | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4922865A | Two-stroke-cycle uniflow spark-ignition engine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.