Koichi Ojima
15Patents
3h-index
27Co-inventors
60Inventor score
Filing activity: Apr 27, 1987 → Nov 9, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4778725A | Functional polymers derived from polyamines and process for producing the same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9570953B2 | Rotary electric machine | Electricity | 4 | Active |
| US10749402B2 | Rotary electric machine | Electricity | 3 | Active |
| US10103602B2 | Rotary electric machine | Electricity | 2 | Active |
| US9960649B2 | Rotating electric machine | Electricity | 2 | Active |
| US4842984A | Water soluble photosensitive resin compositions with bisazide compound | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9893594B2 | Armature of rotating electrical machine and method for manufacturing same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10498199B2 | Rotary electric machine | Electricity | 0 | Active |
| US11165302B2 | Rotating electrical machine | Electricity | 0 | Active |
| US10811939B2 | Rotating electric machine | Electricity | 0 | Active |
| US9300174B2 | Stator-core fixing structure for rotating electric machine | Electricity | 0 | Active |
| US9906088B2 | Rotor-holding structure of rotating electrical machine for hybrid vehicle | Electricity | 0 | Active |
| US11152828B2 | Rotating electric machine | Electricity | 0 | Active |
| US10554092B2 | Rotary electric machine | Electricity | 0 | Active |
| US10291104B2 | Apparatus for cooling an electric rotating machine | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.