Hideaki Deguchi
43Patents
11h-index
30Co-inventors
75Inventor score
Filing activity: Dec 16, 1980 → Mar 23, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6385414B1 | Contaminant preventing structure for image forming apparatus and process cartridge | Physics | 64 | Expired |
| US6336014B1 | Image developing device with sealing members for preventing toner leakage | Physics | 53 | Expired |
| US6456810B1 | Developing cartridge having toner agitator agitating toners in toner container and transferring toner to developing chamber | Physics | 53 | Expired |
| US6337956B1 | Developing device having toner agitation member and cleaning member cleaning light transmission window | Physics | 53 | Expired |
| US6356723B1 | Developing device, process cartridge and image forming apparatus | Physics | 40 | Expired |
| US6321050A | Image developing device with sealing members for preventing toner leakage | Physics | 36 | Expired |
| US6496669B2 | Developing agent carrier having a sealing mechanism at each end of a developing roller | Physics | 25 | Expired |
| US7826779B2 | Developer cartridge | Physics | 24 | Active |
| US4354374A | Bending press | Performing Operations; Transporting | 19 | Expired |
| US7826780B2 | Developer cartridge | Physics | 18 | Active |
| US6496668B2 | Image developing device with sealing members for preventing toner leakage | Physics | 15 | Expired |
| US7113734B2 | Process cartridge having a guide member with a flexible portion | Physics | 9 | Expired |
| US7341387B2 | Image forming apparatus | Electricity | 9 | Expired |
| US7376366B2 | Image-forming device with power supplying unit | Physics | 7 | Active |
| US7539446B2 | Process cartridge and image forming apparatus with flexible guide members | Physics | 5 | Active |
| US7447454B2 | Image forming apparatus and process cartridge | Physics | 4 | Expired |
| US6650861B2 | Electrophotographic image forming apparatus | Physics | 4 | Expired |
| US7539448B2 | Image-forming device for suppressing vibration of guide plate and jams of recording sheet | Physics | 4 | Active |
| US7539447B2 | Image-forming device for absorbing vibration of guide plate | Physics | 3 | Active |
| US7542709B2 | Image-forming device for suppressing recording sheet from flapping when transferring toner images thereon | Physics | 3 | Active |
| US7674057B2 | Image forming apparatus | Electricity | 3 | Active |
| US7933535B2 | Photoconductor unit and image-forming apparatus including drum-cleaning unit | Physics | 2 | Active |
| US8350415B2 | Switch circuit with inductive load and capacitor | Electricity | 2 | Active |
| US7031632B2 | Image forming apparatus including air-flow direction changing around transferring device | Physics | 2 | Expired |
| US7020405B2 | Image forming device capable of interrupting application of driving signal at a drive unit | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.