Hirofumi Ouchi
13Patents
3h-index
42Co-inventors
56Inventor score
Filing activity: May 24, 1996 → Jan 23, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD549738S1 | Wheel loader | General | 61 | Expired |
| US5919567A | Magnetic head | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6078467A | Magnetic recording apparatus having medium driving motor with reduced thickness utilizing press working, press forming or the like | Electricity | 6 | Expired |
| US6034846A | Complex magnetic head having upper and lower rank core chips and method for manufacturing the same | Physics | 3 | Expired |
| US6088909A | Manufacturing method of complex magnetic head core | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8228058B2 | Eddy current flaw detection probe | Physics | 2 | Active |
| US5740504A | Electrophotographing method using carona charging device having areas with and without a grid | Physics | 2 | Expired |
| US7358721B2 | Eddy current flaw detection sensor and method | Physics | 2 | Active |
| US8183862B2 | Eddy current testing device | Physics | 1 | Active |
| US8554423B2 | Automatic transmission device for wheel loader and wheel loader | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US5806172A | Method for manufacturing a magnetic head | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6400530B1 | Complex magnetic head and manufacturing method of complex magnetic head core | Emerging Cross-Sectional Technologies | 0 | Expired |
| US9222915B2 | Eddy current flaw detection system and eddy current flaw detection method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.