Satoru Motohashi
29Patents
6h-index
38Co-inventors
69Inventor score
Filing activity: Sep 22, 1999 → Dec 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD705184S1 | Semiconductor module | General | 63 | Active |
| US6167212A | Development density adjusting method for image forming apparatus | Physics | 14 | Expired |
| US6272306A | Developing apparatus and image forming apparatus having first and second voltages applied to a developing satisfying predetermined relationships | Physics | 13 | Expired |
| US6882806B2 | Charging apparatus determining a peak-to-peak voltage to be applied to a charging member | Physics | 8 | Expired |
| US7035560B2 | Image forming apparatus having charging member supplied with a plurality of alternating voltages and memory for storing information for selecting the voltages | Physics | 7 | Expired |
| USD724554S1 | Semiconductor module | General | 6 | Active |
| US7162173B2 | Image forming apparatus using an ordered set of first, second and charging AC peak to peak voltages | Physics | 5 | Expired |
| US8779929B2 | Semiconductor element drive device having a plurality of protection circuits and outputting a protection operation notification signal that identifies which of the protection circuits detected a problem | Electricity | 5 | Active |
| US8564913B2 | Driving device for semiconductor element | Electricity | 3 | Active |
| US9337719B2 | Power converter control device | Electricity | 3 | Active |
| US7194215B2 | Process cartridge comprising memory medium storing information for selecting one of a plurality of alternating voltages applied to charging member and such a memory medium | Physics | 1 | Expired |
| US11841668B2 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Physics | 1 | Active |
| US7174112B2 | Image forming apparatus featuring a transfer bias having a polarity opposite to a polarity of a charged toner | Physics | 1 | Expired |
| US10877396B2 | Image forming apparatus | Physics | 1 | Active |
| US10338495B2 | Image forming apparatus | Physics | 0 | Active |
| US9874848B2 | Image forming apparatus having a lubricant and developer of opposite polarity | Physics | 0 | Active |
| US10216143B2 | Image forming apparatus having a lubricant and developer of opposite polarity | Physics | 0 | Active |
| US12124205B2 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Physics | 0 | Active |
| US11314186B2 | Image forming apparatus having developer conveyance speed control | Physics | 0 | Active |
| US11314193B2 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Physics | 0 | Active |
| US11526103B2 | Image forming apparatus capable of suppressing image defect due to foreign matter | Physics | 0 | Active |
| US11493857B2 | Image forming apparatus | Physics | 0 | Active |
| US12253811B2 | Developing device | Physics | 0 | Active |
| US10401779B2 | Image forming apparatus | Physics | 0 | Active |
| US12204269B2 | Image forming apparatus including movable brush member | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.