Hidetoshi Yano
74Patents
23h-index
102Co-inventors
91Inventor score
Filing activity: Nov 8, 1978 → Mar 16, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6366751B1 | Image forming apparatus including preselected range between charge injection layer and voltage potential | Physics | 120 | Expired |
| US5563493A | Power source system of portable information processing system using battery | Electricity | 83 | Expired |
| US4930438A | Developing device using a single component developer | Physics | 57 | Expired |
| US4760422A | Developing device using single component toner | Physics | 56 | Expired |
| US5999773A | Image forming apparatus and cleaning method for contact-charging member | Physics | 55 | Expired |
| US5740494A | Configured to enhance toner collecting efficiency and toner redepositing efficiency | Physics | 50 | Expired |
| US5638159A | Developing unit for an image forming apparatus and method of collecting bicomponent developer therefrom | Physics | 47 | Expired |
| US6028755A | DC-to-DC converter capable of preventing overvoltages | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5606408A | Image forming apparatus and cleaning device therefor | Physics | 42 | Expired |
| US5502552A | Developing device for an image forming apparatus | Physics | 41 | Expired |
| US5598254A | Cartridge for replenishing two-ingredient developer to an image forming apparatus and a replenishing device using the same | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5493365A | Operating section for an image forming apparatus | Physics | 40 | Expired |
| US5235384A | Image forming apparatus with replaceable process units | Physics | 39 | Expired |
| US5801514A | Charging-and-discharging control device, a battery pack, and an electronic apparatus with improved charge and discarge control | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4696255A | Developing apparatus | Physics | 35 | Expired |
| US5572112A | Power supply unit | Electricity | 34 | Expired |
| US5260754A | Cleaning unit for an image forming apparatus | Physics | 33 | Expired |
| US5619316A | Image forming apparatus | Physics | 30 | Expired |
| US5610725A | Communication system for managing data of resources of image forming unit | Electricity | 30 | Expired |
| US5765087A | Color image forming method and color image forming apparatus practicable therewith | Physics | 29 | Expired |
| US5717318A | Step-down type DC-DC regulator | Electricity | 25 | Expired |
| US6008629A | Charging-and-discharging device for an electronic apparatus, and an electronic apparatus including the same, utilizing a charging device providing a constant charging current | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6046896A | DC-to-DC converter capable of preventing overvoltage | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5255059A | Image forming apparatus | Physics | 21 | Expired |
| US4772253A | Endless belt | Emerging Cross-Sectional Technologies | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.