Shigetoshi Ishida
13Patents
4h-index
14Co-inventors
57Inventor score
Filing activity: Nov 22, 1982 → Dec 22, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4899446A | Hand-held machine with power disengaging means | Human Necessities | 28 | Expired |
| US6279521A | Two-cycle engine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US8813733B2 | Hand-held engine-powered tool | Performing Operations; Transporting | 7 | Active |
| US9759176B2 | Engine and engine-operated working machine | Emerging Cross-Sectional Technologies | 6 | Active |
| US8499730B2 | Two cycle engine and two cycle engine tool | Emerging Cross-Sectional Technologies | 4 | Active |
| US8181611B2 | Stratified scavenging two-cycle engine | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8065981B2 | Stratified scavenging two-cycle engine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US6752932B2 | Ferrite core and its production method | Electricity | 2 | Expired |
| US4509496A | Ignition circuit for internal combustion engine having alternately operable high and low speed control devices | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US4914372A | Small engine for hand-held work machines | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US8869774B2 | Small engine and engine work machine including the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US9670837B2 | Engine-powered work tool provided with wind governor that performs ignition control | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9816431B2 | Stratified scavenging two-cycle engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.