Shiro Yamaguchi
8Patents
3h-index
14Co-inventors
54Inventor score
Filing activity: Feb 26, 1997 → Jul 7, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5699761A | Two-stroke internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6513465B2 | Two-stroke internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6142113A | Two-cycle internal combustion engine and cylinder | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7011078B2 | Two-stroke internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US10415496B2 | Handheld engine-driven working machine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9945290B2 | Handheld engine-driven working machine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10927789B2 | Stratified scavenging engine and portable work machine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11624337B2 | Two-cycle engine | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.