Jun Hara
27Patents
5h-index
23Co-inventors
69Inventor score
Filing activity: Mar 10, 1980 → Aug 16, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4308288A | Method of producing granular cocoa | Human Necessities | 27 | Expired |
| US7268525B2 | Buck-boost converter | Electricity | 18 | Active |
| US6777932B2 | Magnetic field sensor | Physics | 13 | Expired |
| US4889738A | Aerochocolates and process for preparing the same | Human Necessities | 7 | Expired |
| US7049812B2 | Magnetic field sensor having memory element | Physics | 6 | Expired |
| US6861839B2 | Magnetic field sensor | Physics | 5 | Expired |
| US11526116B2 | Image forming apparatus with collection | Physics | 5 | Active |
| US11841669B2 | Image forming apparatus with brush portion comprising threads and with control to perform rotation of and stop of image bearing member to change posture of brush portion | Physics | 2 | Active |
| US9891552B2 | Image forming apparatus performing toner purge processing | Physics | 1 | Active |
| US12099315B2 | Image forming apparatus | Physics | 1 | Active |
| US12032322B2 | Image forming apparatus | Physics | 1 | Active |
| US10372060B2 | Image forming apparatus for scanning light beam at non-uniform scan speed and exposing photosensitive member | Electricity | 1 | Active |
| US11703775B2 | Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member | Physics | 1 | Active |
| US11635714B2 | Fixing apparatus and image forming apparatus | Physics | 0 | Active |
| US10514645B2 | Image forming apparatus | Physics | 0 | Active |
| US9304458B2 | Image forming apparatus | Physics | 0 | Active |
| US12204270B2 | Image forming apparatus with brush that collects material adhered to surface of image bearing member and that includes brush portion including threads having specified thread density | Physics | 0 | Active |
| US12181819B2 | Fixing apparatus and image forming apparatus | Physics | 0 | Active |
| US12124183B2 | Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member | Physics | 0 | Active |
| US11815827B2 | Image forming apparatus | Physics | 0 | Active |
| US11693351B2 | Image forming apparatus capable of reducing image defects caused by paper dust | Physics | 0 | Active |
| US10503107B2 | Image forming apparatus controlling transfer power source based on detection result of detection unit connected to transfer portion | Physics | 0 | Active |
| US12092969B2 | Image-forming apparatus having charging potential control during non-image forming operation | Physics | 0 | Active |
| US10466633B2 | Image forming apparatus | Physics | 0 | Active |
| US12072654B2 | Image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.