Masumi Ikesue
20Patents
14h-index
43Co-inventors
81Inventor score
Filing activity: Oct 10, 1975 → Nov 24, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4878603A | Toner replenishing device | Emerging Cross-Sectional Technologies | 75 | Expired |
| US4657239A | Sheet aligning device | Performing Operations; Transporting | 63 | Expired |
| US4611730A | Toner replenishing device | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4239374A | Electrostatographic apparatus comprising automatic document type determination means | Physics | 53 | Expired |
| US5508794A | Developer recycling system and developer cartridge therefor | Physics | 48 | Expired |
| US5983059A | Recyclable toner container for an image forming apparatus | Physics | 42 | Expired |
| US4641945A | Developer supply device for dry process electrophotographic copier | Emerging Cross-Sectional Technologies | 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 |
| US4277163A | Variable magnification electrostatic copying machine | Physics | 39 | Expired |
| US5008709A | Document recycling copier for copying documents of varying sizes | Physics | 34 | Expired |
| US4744493A | Toner replenishing device | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5060926A | Sheet feeder for an image forming apparatus | Performing Operations; Transporting | 26 | Expired |
| US4449810A | Electrophotographic copying machine with means for mixing and removing toner and an integral exposure plate | Physics | 21 | Expired |
| US4154522A | Electrostatographic apparatus comprising improved drum cleaning means | Physics | 17 | Expired |
| US4140388A | Drum cleaning apparatus for electrostatic copying machine | Physics | 11 | Expired |
| US3992089A | Reader-printer apparatus with multiple supply rolls and charging devices | Physics | 11 | Expired |
| US5096177A | Recycling automatic document feeder for feeding documents of various size for use with a copier | Physics | 10 | Expired |
| US4700659A | Developing unit of dry type | Physics | 9 | Expired |
| US4453493A | Toner recirculating and agitating device for dry process developing apparatus | Physics | 5 | Expired |
| US5860647A | Paper discharge device and storing unit for image forming apparatus | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.