Teruyuki Ohnuma
13Patents
12h-index
20Co-inventors
74Inventor score
Filing activity: Nov 17, 1976 → Jun 28, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5077142A | Electroluminescent devices | Emerging Cross-Sectional Technologies | 153 | Expired |
| US5153073A | Electroluminescent device | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4707570A | Manual information input device | Physics | 48 | Expired |
| US4194830A | Development apparatus | Physics | 41 | Expired |
| US4382420A | Development apparatus | Physics | 28 | Expired |
| US4286543A | Apparatus for developing electrostatic image | Physics | 25 | Expired |
| US5118986A | Electroluminescent device | Electricity | 23 | Expired |
| US4165393A | Magnetic brush developing process for electrostatic images | Physics | 21 | Expired |
| US4201465A | Drum cleaning process and apparatus for electrophotography | Physics | 20 | Expired |
| US4193679A | Electrophotographic apparatus comprising improved imaging system | Physics | 16 | Expired |
| US5093210A | Electroluminescent device | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4119060A | Toner charging apparatus | Physics | 13 | Expired |
| US4350749A | Reverse development method | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.