Katsuhiro Aoki
56Patents
19h-index
79Co-inventors
87Inventor score
Filing activity: Aug 10, 1988 → Jun 7, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6295437A | Apparatus and method for forming an image using a developing device capable of obtaining a high quality image | Physics | 100 | Expired |
| US6163669A | Image forming apparatus | Physics | 84 | Expired |
| US5565973A | Rotary developing device for an image forming apparatus | Physics | 81 | Expired |
| US6587367B1 | Dummy cell structure for 1T1C FeRAM cell array | Physics | 72 | Expired |
| US6505014B2 | Image forming apparatus and an image forming process unit | Physics | 72 | Expired |
| US5339141A | Developing device with a developer carrier capable of forming numerous microfields thereon | Physics | 66 | Expired |
| US6728128B2 | Dummy cell structure for 1T1C FeRAM cell array | Physics | 63 | Expired |
| US5508953A | Capacitor, electrode structure, and semiconductor memory device | Electricity | 61 | Expired |
| US5424814A | Developing device with microfields formed on developer carrier | Physics | 50 | Expired |
| US6611672B2 | Image forming apparatus, monocolor image forming apparatus, toner recycling apparatus and intermediate transfer member | Physics | 44 | Expired |
| US6721516B2 | Image forming apparatus | Physics | 43 | Expired |
| US6033953A | Method for manufacturing dielectric capacitor, dielectric memory device | Electricity | 43 | Expired |
| US5655193A | Developing device for image forming apparatus with toner recirculation operation | Physics | 42 | Expired |
| US6363002B1 | Ferroelectric memory with bipolar drive pulses | Physics | 35 | Expired |
| US6658227B2 | Development method apparatus, image formation and process cartridge for suppressing variation in toner charge | Physics | 33 | Expired |
| US6608984B1 | Image forming method and apparatus using developer carrier pressed into engagement with image carrier | Physics | 27 | Expired |
| US6707480B2 | Image formation unit including stored performance information | Physics | 25 | Expired |
| US5793600A | Method for forming high dielectric capacitor electrode structure and semiconductor memory devices | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5424809A | Image forming method and apparatus for the same | Physics | 19 | Expired |
| US7035575B2 | Developing device, image forming apparatus, and process cartridge | Physics | 19 | Expired |
| US5237369A | Color image forming equipment responsive to changes in ambient conditions | Physics | 15 | Expired |
| US6463244B2 | Image forming apparatus, developing device therefor and image forming process unit | Physics | 14 | Expired |
| US6150183A | Method for manufacturing metal oxide capacitor and method for manufacturing semiconductor memory device | Electricity | 14 | Expired |
| US5293198A | Image forming apparatus for controlling the dynamic range of an image | Physics | 14 | Expired |
| US5840615A | Method for forming a ferroelectric material film by the sol-gel method, along with a process for a production of a capacitor and its raw material solution | Electricity | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.