Muneyuki Ohara
6Patents
2h-index
18Co-inventors
44Inventor score
Filing activity: Jun 22, 1979 → Jul 30, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4576324A | Gas pressure welding machine | Performing Operations; Transporting | 3 | Expired |
| US4556164A | Method of field welding head-hardened rails | Fixed Constructions | 2 | Expired |
| US4272003A | Butt welding and burr shearing machine for reinforce steel | Performing Operations; Transporting | 2 | Expired |
| US5303514A | Rail grinding apparatus | Fixed Constructions | 2 | Expired |
| US4762263A | Small-sized gas pressure welding machine for rails with two separate mechanisms for punching-shearing excess metal | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4416158A | Punching-shearing method for inspecting quality of butt welded joint | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.