Masazumi Ohnishi
3Patents
2h-index
9Co-inventors
33Inventor score
Filing activity: Nov 24, 1987 → Jun 27, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4821551A | Method of manufacturing corrugate tube and molding apparatus thereof | Performing Operations; Transporting | 4 | Expired |
| US5711177A | Method for corrugating a metallic pipe | Performing Operations; Transporting | 3 | Expired |
| US5615570A | Method for bending a pipe and apparatus for bending the same | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.