Nobuyoshi Yashima
7Patents
6h-index
3Co-inventors
48Inventor score
Filing activity: May 26, 1977 → Mar 15, 1985
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4155673A | Floating structure | Fixed Constructions | 25 | Expired |
| US4295758A | Working platform for oil drilling operations in ice covered sea areas | Performing Operations; Transporting | 22 | Expired |
| US4571125A | Floating offshore structure | Performing Operations; Transporting | 21 | Expired |
| US4519728A | Floating offshore structure | Performing Operations; Transporting | 20 | Expired |
| US4326822A | Artificial island for installing oil drilling equipment in ice covered sea areas | Fixed Constructions | 16 | Expired |
| US4505618A | Marine riser protector for use on offshore oil drilling rigs in icy waters | Performing Operations; Transporting | 11 | Expired |
| US4630969A | Artificial island | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.