Noboru Yonekawa
22Patents
7h-index
22Co-inventors
65Inventor score
Filing activity: May 23, 1994 → Aug 15, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5532798A | Charging device having a plate electrode and a cleaning device for cleaning edges of the plate electrode | Physics | 51 | Expired |
| US5724638A | Fixing device for image forming apparatus | Physics | 31 | Expired |
| US5666604A | Image forming apparatus with charging device having projecting zip discharge electrode and improved parameters | Physics | 17 | Expired |
| US5466938A | Corona discharge device | Physics | 13 | Expired |
| US5847361A | Belt fixing system and method therefor | Physics | 10 | Expired |
| US6032016A | Fixing apparatus including apparatus for controlling the supply of releasing agent | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6208499A | Corona discharge device | Physics | 7 | Expired |
| US8346148B2 | Fixing device and image forming apparatus | Physics | 5 | Active |
| US5596391A | Image forming apparatus having transfer constant current source adjustable in response to the thickness of dielectric layer | Physics | 4 | Expired |
| US8606163B2 | Fixing device and image forming apparatus | Physics | 3 | Active |
| US7171150B2 | Belt-type fixing device | Physics | 3 | Expired |
| US8498562B2 | Fixing device and image forming apparatus comprising the same | Physics | 2 | Active |
| US8351836B2 | Heat generating roller, fixing device and image forming apparatus | Physics | 2 | Active |
| US8639170B2 | Fixing device and image forming apparatus with a mechanism to extend life of a fixing belt | Physics | 1 | Active |
| US8639171B2 | Fixing device and image forming apparatus with a mechanism to extend a life of a fixing belt | Physics | 1 | Active |
| US7149464B2 | Belt-type fixing device | Physics | 1 | Expired |
| US8582998B2 | Fixing device and image forming apparatus | Physics | 0 | Active |
| US8781378B2 | Fixing device and image forming apparatus | Physics | 0 | Active |
| US8913938B2 | Fixing device and image formation apparatus | Physics | 0 | Active |
| US8494396B2 | Fixing device and image forming apparatus | General | 0 | Revoked |
| US8410408B2 | Induction heating unit, fixing device and method for attaching coil for induction heating unit | Physics | 0 | Active |
| US8355662B2 | Heat generating sleeve, fixing device and image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.