Hiroko Ohtani
6Patents
4h-index
10Co-inventors
54Inventor score
Filing activity: Sep 19, 1983 → Sep 13, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5344579A | Friction modifier compositions and their use | Chemistry; Metallurgy | 31 | Expired |
| US5372735A | Automatic transmission fluids and additives therefor | Chemistry; Metallurgy | 27 | Expired |
| US5441656A | Automatic transmission fluids and additives therefor | Chemistry; Metallurgy | 20 | Expired |
| US4539506A | Red-emitting superlinear phosphor | Electricity | 4 | Expired |
| US11369946B2 | Recovery of adsorption capacity of beaded activated carbon using gas-phase organic solvents | Performing Operations; Transporting | 0 | Active |
| US11597273B2 | Vehicular gear system friction reduction | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.