Tomoya Ohsugi
12Patents
7h-index
38Co-inventors
62Inventor score
Filing activity: Feb 9, 2000 → Oct 18, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6686946B2 | Density unevenness suppressing image forming apparatus and method | Physics | 61 | Expired |
| US6376837B1 | Optical scanning apparatus and image forming apparatus having defective light source detection | Electricity | 61 | Expired |
| US6839157B2 | Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitch | Electricity | 27 | Expired |
| US7411712B2 | Optical scanner and image formation apparatus | Physics | 23 | Expired |
| US7817177B2 | Optical scanning device and image forming apparatus | Physics | 11 | Active |
| US7782352B2 | Optical scanning device and image forming apparatus | Physics | 9 | Active |
| US7295225B2 | Light source and light beam scanning unit | Physics | 7 | Expired |
| US8169458B2 | Optical scanning device and image forming apparatus | Physics | 4 | Active |
| US7800804B2 | Optical scanner and image forming apparatus | Electricity | 3 | Active |
| US8199392B2 | Light-scanning device and image-forming apparatus | Physics | 1 | Active |
| US9989876B2 | Image forming apparatus and method for calculating a toner degradation rate | Physics | 0 | Active |
| US8102411B2 | Optical scanner and image forming apparatus | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.