Katsuaki Sumida
10Patents
5h-index
26Co-inventors
62Inventor score
Filing activity: Nov 22, 1995 → Aug 2, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5839018A | Toner density control for an image forming apparatus | Physics | 20 | Expired |
| US5734948A | Image stabilizer | Physics | 8 | Expired |
| US6266507A | Developing device having low turbulence developer flow | Physics | 7 | Expired |
| US5923920A | Image forming apparatus for controlling processing conditions in image forming process by detection of tiner patch density formed on photoreceptor surface | Physics | 6 | Expired |
| US6317576A | Electrophotographic developing unit | Physics | 6 | Expired |
| US5565294A | Electrostatic charge image-developing toner with polyethylene additive | Physics | 3 | Expired |
| US6444388B1 | Toner for developing electrostatic latent image | Physics | 1 | Expired |
| US6284422A | Toner for developing electrostatic latent images and image-forming apparatus | Physics | 1 | Expired |
| US7607327B2 | Drum type washing machine | Textiles; Paper | 0 | Active |
| US6455216B2 | Toner for developing electrostatic latent images, method for forming images and apparatus for forming images | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.