Koichi Okuda
159Patents
9h-index
144Co-inventors
83Inventor score
Filing activity: Dec 10, 1991 → May 31, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5994671A | Image heating apparatus | Physics | 49 | Expired |
| US6094559A | Fixing apparatus having cleaning mode and storage medium storing program therefor | Physics | 33 | Expired |
| US5253024A | Fixing apparatus with rectifier element | Physics | 32 | Expired |
| US6084208A | Image heating device which prevents temperature rise in non-paper feeding portion, and heater | Physics | 32 | Expired |
| US7996139B2 | Motor vehicle and control method of motor vehicle | Emerging Cross-Sectional Technologies | 16 | Active |
| US8267223B2 | Drive assembly and motor vehicle equipped with drive assembly | Emerging Cross-Sectional Technologies | 11 | Active |
| US7379693B2 | Developing apparatus | Physics | 11 | Active |
| US9216641B2 | Driving device for hybrid vehicle | Emerging Cross-Sectional Technologies | 10 | Active |
| US7715971B2 | Vehicle and control method of vehicle | Emerging Cross-Sectional Technologies | 10 | Active |
| US5659869A | Image fixing apparatus having pressure roller with fluorine surface active agent | Physics | 8 | Expired |
| US7034952B2 | Print service system and method for printing designated electronic document in response to print request | Physics | 7 | Expired |
| US9221327B2 | Hybrid vehicle driving apparatus | Emerging Cross-Sectional Technologies | 7 | Active |
| US6847796B2 | Charging member and image forming apparatus provided with the same | Physics | 6 | Expired |
| US7552793B2 | Power output apparatus, motor vehicle equipped with power output apparatus, and control method of power output apparatus | Emerging Cross-Sectional Technologies | 5 | Active |
| US7440718B2 | Developing apparatus featuring image defect supression | Physics | 4 | Active |
| US7731801B2 | Semiconductor wafer treatment method and apparatus therefor | Electricity | 4 | Active |
| US10625592B2 | Control apparatus for vehicular power transmitting system | Emerging Cross-Sectional Technologies | 4 | Active |
| US9463789B2 | Control device for vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US10001206B2 | Power transmission system for vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US10562522B2 | Control apparatus for vehicular power transmitting system | Emerging Cross-Sectional Technologies | 3 | Active |
| US7383003B2 | Developing apparatus for preventing ghost images and uneven image density | Physics | 3 | Active |
| US11236819B1 | Gear-shift control data generation method, gearshift control device, and gear-shift control system | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10066718B2 | Control apparatus for dynamic power transmission apparatus | Emerging Cross-Sectional Technologies | 3 | Active |
| US9771061B2 | Control system for vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
| US11267452B2 | Control device of vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.