Rioch Company, Ltd.
6Patents
3Active
6Granted
35Portfolio score
Filing activity: Sep 22, 1987 → May 25, 2016
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6596985B2 | Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus | Physics | 59 | Expired |
| US4796095A | Method of generating image scanning clock signals in optical scanning apparatus | Electricity | 25 | Expired |
| US5272507A | Charging device for electrophotographic equipment | Physics | 4 | Expired |
| US10097711B2 | Sheet processing device and image forming system | Physics | 3 | Active |
| US9663668B2 | Inkjet ink, inkjet recording method and ink recorded matter | Emerging Cross-Sectional Technologies | 2 | Active |
| US9541867B2 | Apparatus, method, and non-transitory recording medium for power generation using heat in image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.