Kenya Ogawa
12Patents
8h-index
25Co-inventors
68Inventor score
Filing activity: Nov 18, 1994 → Apr 12, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5561500A | Image forming apparatus with plural types of image forming devices | Physics | 30 | Expired |
| US5570166A | Developing apparatus that applies voltage to developer layer thickness regulating member | Physics | 27 | Expired |
| US5729785A | Image forming apparatus with ink jet and electrophotographic image forming means | Physics | 27 | Expired |
| US5734390A | Image forming apparatus | Electricity | 21 | Expired |
| US6229980A | Developing apparatus featuring first and second developer chambers and guide member for directing stripped-off developer | Physics | 15 | Expired |
| US7251441B2 | Developing apparatus including magnetic field generating means, for use with a developer which includes a magnetic toner component | Physics | 11 | Expired |
| US7379693B2 | Developing apparatus | Physics | 11 | Active |
| US7010256B2 | Image heating apparatus having recording medium conveying nip nonuniform in pressure distribution | Physics | 11 | Expired |
| US6785506B2 | Fixing member having layers with radiation-transmitting and radiation-absorbing properties, and a fixing assembly including such a fixing member | Physics | 8 | Expired |
| US7233758B2 | Developing apparatus featuring a developer carrying member with an elastic surface layer | Physics | 7 | Expired |
| US7440718B2 | Developing apparatus featuring image defect supression | Physics | 4 | Active |
| US7383003B2 | Developing apparatus for preventing ghost images and uneven image density | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.