Seiji Hoshino
30Patents
9h-index
47Co-inventors
75Inventor score
Filing activity: Nov 19, 1984 → Jun 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7110917B2 | Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same | Physics | 31 | Expired |
| US6000784A | Structure and method for mounting an ink jet head | Performing Operations; Transporting | 30 | Expired |
| US6669189B2 | Image forming apparatus | Performing Operations; Transporting | 30 | Expired |
| US7457550B2 | Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method | Electricity | 17 | Expired |
| US4969048A | Image recorder having specific sheet tray with hopper and discharge portions | Performing Operations; Transporting | 14 | Expired |
| US7971878B2 | Sheet conveying device and image forming apparatus | Physics | 11 | Active |
| US4589646A | Automatic paper feeding device for a printer | Performing Operations; Transporting | 10 | Expired |
| US7340204B2 | Color image forming apparatus and process cartridge therefor | Physics | 10 | Expired |
| US5813167A | Grafting method and device therefor | Human Necessities | 9 | Expired |
| US7778555B2 | Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method | Electricity | 8 | Active |
| US7903269B2 | Abnormality determining apparatus, image forming apparatus including the abnormality determining apparatus, and abnormality determining method | Physics | 7 | Active |
| US8165498B2 | Image forming device | Physics | 7 | Active |
| US6627015B1 | Structure and method for mounting an ink jet head | Performing Operations; Transporting | 7 | Expired |
| US5202556A | Document reading apparatus having photoconductive detector for detecting documents and document edges | Electricity | 6 | Expired |
| US8087670B2 | Sheet conveying device and image forming apparatus | Physics | 6 | Active |
| US8126387B2 | Sheet conveying device and image forming apparatus | Physics | 5 | Active |
| US8254811B2 | Image forming apparatus for controlling movement of a moving member | Physics | 4 | Active |
| US8364071B2 | Image forming apparatus and sheet conveying device having upstream and downstream rollers | Physics | 4 | Active |
| US8422037B2 | Image forming apparatus | Physics | 4 | Active |
| US8010027B2 | Image forming apparatus | Physics | 3 | Active |
| US8538310B2 | Image transfer apparatus, image fixing apparatus, and registration apparatus which prevent a load torque variation upon entry or exit of a sheet into a nipping portion | Physics | 3 | Active |
| US7945176B2 | Image forming apparatus including a gap forming unit | Physics | 3 | Active |
| US8540337B2 | Image forming apparatus and foam application device | Performing Operations; Transporting | 3 | Active |
| US8385762B2 | Transfer device and image forming apparatus | Physics | 2 | Active |
| US8131173B2 | Driving apparatus and image forming apparatus | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.