Takeshi Niimura
20Patents
9h-index
41Co-inventors
75Inventor score
Filing activity: Mar 11, 1993 → Jul 25, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6084622A | Frame structure and an image forming apparatus using such a frame structure | Physics | 90 | Expired |
| US5634178A | Gear unit, image forming apparatus and gear unit mounting method | Physics | 50 | Expired |
| US6070867A | Sheet supplying apparatus | Performing Operations; Transporting | 44 | Expired |
| US5559581A | Image forming apparatus with helical gear drive train | Physics | 43 | Expired |
| US5561496A | Image forming apparatus, assembling method of image forming apparatus, and mounting method of outer casing | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6583389B2 | Image heating apparatus, heater for heating image and manufacturing method thereof | Electricity | 26 | Expired |
| US5907745A | Image forming apparatus having arrangement of sheet support members and air ducts | Physics | 24 | Expired |
| US5621451A | Image forming apparatus | Physics | 17 | Expired |
| US5433427A | Sheet contain device with reference member and regulating member to position sheets | Performing Operations; Transporting | 14 | Expired |
| US9242827B2 | Sheet stacking device and image forming apparatus | Performing Operations; Transporting | 9 | Active |
| US7177566B2 | Main frame construction for an image forming apparatus | Physics | 5 | Expired |
| US6366745B1 | Image forming apparatus having a mechanism to clean a driving roller by a recording material | Physics | 5 | Expired |
| US5562280A | Sheet conveying apparatus having a guide member to prevent buckling or curling of a conveyed sheet | Performing Operations; Transporting | 3 | Expired |
| US9389584B2 | Electrophotographic image forming apparatus, process cartridge and developing cartridge | Physics | 3 | Active |
| US8521059B2 | Apparatus transportable in a cartridge-mounted state for electrophotography image forming | Physics | 2 | Active |
| US9270856B2 | Image reading apparatus and image forming apparatus including the same | Electricity | 1 | Active |
| US10108141B2 | Electrophotographic image forming apparatus, process cartridge and developing cartridge | Physics | 1 | Active |
| US9274474B2 | Fixing device | Physics | 1 | Active |
| US9766588B2 | Electrophotographic image forming apparatus, process cartridge and developing cartridge | Physics | 1 | Active |
| US6909494B2 | Image forming apparatus | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.