Tomohiko Okada
31Patents
7h-index
58Co-inventors
72Inventor score
Filing activity: Dec 22, 1995 → Apr 20, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8649176B2 | Display apparatus including cooling section | Physics | 90 | Active |
| US5727782A | Automatic sheet feeder | Performing Operations; Transporting | 17 | Expired |
| US6381442B1 | Image forming apparatus with paper post-treatment device | Physics | 16 | Expired |
| US5616386A | Cleaning sheet for a paper feeding device | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7589751B2 | Image forming apparatus and method for adjusting the interval between a write head and a photoreceptor | Physics | 12 | Active |
| US8515313B2 | Illuminating device, image-reading apparatus comprising the illuminating device, and image-forming apparatus comprising the image-reading apparatus | Electricity | 9 | Active |
| US9097830B2 | Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus | Electricity | 7 | Active |
| US8228568B2 | Document read apparatus and image forming apparatus | Electricity | 6 | Active |
| US7589871B2 | Original transport and reading apparatus, reading position adjustment method of original transport and reading apparatus, and image forming apparatus | Electricity | 6 | Active |
| US8964264B2 | Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus | Electricity | 6 | Active |
| US7688483B2 | Document reading apparatus and method of calculating position adjustment amount | Electricity | 5 | Active |
| US8755095B2 | Illuminating device, image reading apparatus including the illuinating device, and image forming apparatus including the image reading apparatus | Electricity | 5 | Active |
| US8872998B2 | Image display apparatus | Physics | 5 | Active |
| US9383500B2 | Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus | Electricity | 4 | Active |
| US8366096B2 | Document reader | Electricity | 4 | Active |
| US9648192B2 | Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus | Electricity | 3 | Active |
| US7245858B2 | Gear mechanism and image forming apparatus using same | Physics | 2 | Expired |
| US10003712B2 | Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus | Electricity | 2 | Active |
| US6203141A | Image forming apparatus having a control electrode support structure for fine adjustment of the control electrode in a region of the gates | Physics | 2 | Expired |
| US8081354B2 | Structure supporting distribution cable of document reading apparatus | Electricity | 2 | Active |
| US7627281B2 | Paper tray, paper feeder with the tray, and image forming device | Performing Operations; Transporting | 2 | Expired |
| US8149479B2 | Original transport and reading apparatus | Electricity | 1 | Active |
| US10334133B2 | Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus | Electricity | 1 | Active |
| US8599447B2 | Illuminating apparatus, image reading apparatus, and image forming apparatus | Electricity | 0 | Active |
| US11604383B2 | Display device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.