Kenji Imamura
54Patents
10h-index
58Co-inventors
81Inventor score
Filing activity: Oct 22, 1979 → Mar 23, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7862079B2 | Steering column device with knee airbag device | Performing Operations; Transporting | 53 | Active |
| US5487083A | Hand-off method and mobile station for spread spectrum mobile communication | Electricity | 35 | Expired |
| US4282302A | Ferrite powder type magnetic toner used in electrophotography and process for producing the same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7661700B2 | Knee airbag device | Performing Operations; Transporting | 27 | Active |
| US6575599B1 | Light source device for projection apparatus | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US7455320B2 | Shock absorbing steering apparatus | Performing Operations; Transporting | 18 | Expired |
| US4485162A | Magnetic carrier powder having a wide chargeable range of electric resistance useful for magnetic brush development | Electricity | 17 | Expired |
| US6764098B2 | Support mechanism of steering system | Performing Operations; Transporting | 13 | Expired |
| US4769718A | Image processing apparatus | Electricity | 12 | Expired |
| US7571929B2 | Knee airbag device | Performing Operations; Transporting | 12 | Active |
| US7600776B2 | Knee airbag device | Performing Operations; Transporting | 9 | Active |
| US5963717A | Image processing apparatus | Physics | 9 | Expired |
| US7360793B2 | Structure for fixing steering column with fastener and disk spring | Performing Operations; Transporting | 8 | Expired |
| US8128122B2 | Mounting structure of knee airbag device and electric power steering drive motor | Performing Operations; Transporting | 8 | Active |
| US6639579B1 | Magnetophoresis type display device and process of production of same | Physics | 7 | Expired |
| US4653904A | Exposure intensity detecting system for copying machine | Physics | 7 | Expired |
| US7681908B2 | Knee airbag device | Performing Operations; Transporting | 7 | Active |
| US7753403B2 | Knee airbag device, and method of fitting steering column provided with knee airbag device to vehicle | Performing Operations; Transporting | 6 | Active |
| US7578517B2 | Knee airbag device | Performing Operations; Transporting | 6 | Active |
| US7240922B2 | Impact-absorbing steering column apparatus | Performing Operations; Transporting | 4 | Expired |
| US7708310B2 | Steering column including an airbag apparatus | Performing Operations; Transporting | 4 | Active |
| US4936089A | Gas turbine plant system and gas pressure stabilizer thereof in emergency | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7722076B2 | Knee airbag device | Performing Operations; Transporting | 4 | Active |
| US7997610B2 | Knee airbag device | Performing Operations; Transporting | 4 | Active |
| US8056925B2 | Column-mounted knee airbag device | Performing Operations; Transporting | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.