Izumi Ochiai
16Patents
10h-index
38Co-inventors
68Inventor score
Filing activity: Sep 12, 1977 → Apr 7, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4860021A | Parabolic antenna | Electricity | 32 | Expired |
| US4331280A | Method of jointing pipes by friction welding | Performing Operations; Transporting | 31 | Expired |
| US4506423A | Method of producing a fluid pressure reducing device | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4746827A | Rotor for electric motor | Electricity | 24 | Expired |
| US4331286A | Method for pressure bonding metal members by utilizing eutectic reaction | Performing Operations; Transporting | 21 | Expired |
| US4748837A | Method of forming spherical shells | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4597171A | Tube-enlarging press for use in heat exchanger fabrication | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4593756A | Fin-and-tube type heat exchanger | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4351178A | Apparatus for bending a straight tube into a serpentine tube | Performing Operations; Transporting | 12 | Expired |
| US4689637A | Parabola antenna having increased mechanical strength | Electricity | 10 | Expired |
| US4698904A | Apparatus for assembling fins and tubes for heat exchangers | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4898232A | Heat exchanger and process for producing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4916459A | Parabolic antenna dish | Electricity | 3 | Expired |
| US4583675A | Method of production of a part formed with an opening | Performing Operations; Transporting | 3 | Expired |
| US4509354A | Method of manufacturing fan guard | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4142392A | Internally groove forming apparatus for heat exchanging pipes | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.