Ryuji Tsuru
6Patents
5h-index
14Co-inventors
56Inventor score
Filing activity: Jul 23, 1998 → Jun 10, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6331740A | Engine generator unit | Mechanical Engineering; Lighting; Heating | 89 | Expired |
| US6525430B1 | Portable engine generator having a fan cover with a control unit mounting portion | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US6028369A | Engine-operated generator | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US7743739B2 | Engine-driven generator | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US6095099A | Engine operated working machine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US8314526B2 | Engine generator | Mechanical Engineering; Lighting; Heating | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.