Toshio Koike
92Patents
14h-index
153Co-inventors
87Inventor score
Filing activity: Apr 23, 1979 → Jul 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5660792A | Automatic solid phase extraction device with interchangeable nozzle holder head | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4907792A | Sheet guide adjusting apparatus | Physics | 26 | Expired |
| US5305650A | Automatic preparation apparatus | Physics | 25 | Expired |
| US6873814B2 | Developing device using a two-ingredient type developer and image forming apparatus including the same | Physics | 20 | Expired |
| US6673316B1 | Synthesis experiment automating system, liquid separating treating apparatus and reaction vessel | Performing Operations; Transporting | 18 | Expired |
| US7062194B2 | Charging device, and process cartridge and image forming apparatus including the charging device | Physics | 18 | Expired |
| US7313347B2 | Cleaning device, process cartridge, image forming apparatus and toner | Physics | 18 | Expired |
| US7110696B2 | Cleaning unit, process cartridge, and image forming apparatus | Physics | 16 | Expired |
| US7373101B2 | Method and apparatus for image forming and effectively applying lubricant to an image bearing member | Physics | 15 | Active |
| US4951513A | Automatic preparation apparatus and filter therefor | Physics | 15 | Expired |
| US6856774B2 | Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device | Physics | 15 | Expired |
| US7139504B2 | Charging device, and process cartridge and image forming apparatus using the charging device | Physics | 14 | Expired |
| US4923089A | Parts feed apparatus | Electricity | 14 | Expired |
| US7272354B2 | Cleaning unit and image forming apparatus having multiple cleaning blades | Physics | 14 | Expired |
| US7149465B2 | Cleaning unit, process cartridge, image forming apparatus, and toner | Physics | 14 | Expired |
| US4974458A | Automatic preparation apparatus and support arm | Physics | 13 | Expired |
| US7295796B1 | Image forming apparatus having a temporary toner holding device and a toner collecting device | Physics | 13 | Expired |
| US7228099B2 | Cleaning device for cleaning a surface of an image support body | Physics | 12 | Expired |
| US7376380B2 | Image forming apparatus, process cartridge, and toner | Physics | 11 | Active |
| US7050741B2 | Imaging apparatus, and toner and process cartridge used in the imaging apparatus | Physics | 11 | Expired |
| US7826786B2 | Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner | Physics | 11 | Active |
| US7266324B2 | Charging device, and process cartridge and image forming apparatus using the charging device | Physics | 10 | Active |
| US7292816B2 | Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatus | Physics | 9 | Expired |
| US8000627B2 | Charging device, process cartridge, image forming apparatus, and toner | Physics | 9 | Active |
| US7645112B2 | Transport apparatus, control method for the same, and vacuum processing system | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.