Masataka Maeda
23Patents
7h-index
9Co-inventors
62Inventor score
Filing activity: Dec 27, 1989 → Mar 27, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5263011A | Optical recording and reproducing apparatus and recording medium having multilayer recording membranes | Physics | 50 | Expired |
| US5128695A | Imaging material providing device | Physics | 48 | Expired |
| US5625392A | Image forming device having a control electrode for controlling toner flow | Performing Operations; Transporting | 37 | Expired |
| US5508723A | Electric field potential control device for an image forming apparatus | Physics | 32 | Expired |
| US5552814A | Image recording apparatus wherein toner carrier member and particle-flow modulating electrode member are held in contact with each other | Physics | 13 | Expired |
| US5497175A | Image forming apparatus having aperture electrodes with lubricating layer thereon | Physics | 7 | Expired |
| US5099271A | Imaging material providing device | Physics | 7 | Expired |
| US5539438A | Image forming apparatus having an aperture electrode and low friction toner supplying device | Physics | 5 | Expired |
| US8064806B2 | Image forming device having a developing material case with a moving vibrating region | Physics | 3 | Active |
| US5883649A | Image forming apparatus using an aperture electrode with improved toner passage by controlling toner flow to and from the apertures | Physics | 3 | Expired |
| US5115760A | Developer material coating apparatus having developer material removing unit | Physics | 2 | Expired |
| US8275298B2 | Developer supply device | Physics | 2 | Active |
| US8406662B2 | Developer supply device | Physics | 1 | Active |
| US8401445B2 | Developer supply apparatus and image forming apparatus | Physics | 1 | Active |
| US8165503B2 | Image forming apparatus and liquid developer holding member including a core member and a dielectric layer with concave portions provided on an outer circumerence of the core member | Physics | 1 | Active |
| US4974015A | Image recording medium producing apparatus | Physics | 1 | Expired |
| US8532546B2 | Developer supply device and image forming apparatus having the same | Physics | 1 | Active |
| US5734397A | Image forming apparatus | Physics | 1 | Expired |
| US8346136B2 | Electrode configuration for carrying developer in a developer carrying device and image forming device | Physics | 1 | Active |
| US8145103B2 | Image formation device and developer supply device | Physics | 0 | Active |
| US7822373B2 | Developer conveying device and image-forming apparatus with electrodes for conveying charged developer | Physics | 0 | Active |
| US8265530B2 | Developer carrying device and image forming device | Physics | 0 | Active |
| US9008561B2 | Fixing device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.