Yuji Takayama
26Patents
3h-index
33Co-inventors
63Inventor score
Filing activity: May 4, 1990 → Dec 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5122553A | Hardenable unsaturated polyester resin compositions | Chemistry; Metallurgy | 21 | Expired |
| US5382619A | Polymerizable compositions and in-mold cured products using same | Chemistry; Metallurgy | 5 | Expired |
| US5364903A | Molded products for molding compositions containing thermalsetting (meth)acrylate liquid resins | Chemistry; Metallurgy | 3 | Expired |
| US5331041A | Polymerizable compositions and in-mold cured products using same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9929637B2 | Power converting device | Emerging Cross-Sectional Technologies | 1 | Active |
| US9215346B2 | Image forming apparatus | Electricity | 1 | Active |
| US11473789B2 | Outdoor unit for a refrigeration cycle apparatus and refrigerating cycle device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9941810B2 | Power conversion device for converting AC power into DC power | Emerging Cross-Sectional Technologies | 1 | Active |
| US8894065B2 | Printing apparatus and method for conveying sheet | Performing Operations; Transporting | 1 | Active |
| US9941780B2 | Power conversion device with correction of reactor inductance based on detected current | Emerging Cross-Sectional Technologies | 0 | Active |
| US11273960B2 | Hinged cap | Performing Operations; Transporting | 0 | Active |
| US9866140B2 | AC/DC power converting apparatus with AC source shortcircuiting for power factor correction and harmonic suppression | Emerging Cross-Sectional Technologies | 0 | Active |
| US10658964B2 | Motor driving apparatus, vacuum cleaner, and hand dryer | Electricity | 0 | Active |
| US10211765B2 | Motor control device, vacuum cleaner, and hand drier | Electricity | 0 | Active |
| US10736476B2 | Electric vacuum cleaner and hand dryer | Human Necessities | 0 | Active |
| US11863104B2 | Motor drive device, electric blower, electric vacuum cleaner, and hand dryer | Electricity | 0 | Active |
| US8693839B2 | Image recording apparatus and image recording control method | Electricity | 0 | Active |
| US11316465B2 | Motor drive device, electric blower, electric vacuum cleaner, and hand dryer | Electricity | 0 | Active |
| US12009705B2 | Electric blower, vacuum cleaner, and hand dryer | Electricity | 0 | Active |
| US12021468B2 | Motor drive device, electric blower, electric vacuum cleaner, and hand dryer | Electricity | 0 | Active |
| US9991817B2 | Power converting device that uses a sine-wave-shaped current control range to output drive signal | Emerging Cross-Sectional Technologies | 0 | Active |
| US10998777B2 | Electric motor | Electricity | 0 | Active |
| US11611306B2 | Motor driving apparatus, electric blower, vacuum cleaner, and hand dryer | Electricity | 0 | Active |
| US11632004B2 | Electric motor with stator | Electricity | 0 | Active |
| US10177703B2 | Power conversion device and compressor driving device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.