Tomoki Funakubo
28Patents
12h-index
57Co-inventors
84Inventor score
Filing activity: Mar 10, 1980 → Apr 1, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5357164A | Ultrasonic motor | Electricity | 305 | Expired |
| US5490015A | Actuator apparatus | Physics | 70 | Expired |
| US5416375A | Ultrasonic motor | Electricity | 58 | Expired |
| US5345137A | Two-dimensionally driving ultrasonic motor | Electricity | 40 | Expired |
| US6278224A | Ultrasonic transducer and method for manufacturing the same | Performing Operations; Transporting | 38 | Expired |
| US5410204A | Ultrasonic oscillator | Electricity | 20 | Expired |
| US6821253B2 | Ultrasonic transducer array | Performing Operations; Transporting | 18 | Expired |
| US6558323B2 | Ultrasound transducer array | Performing Operations; Transporting | 16 | Expired |
| US5523643A | Ultrasonic piezoelectric transducer and ultrasonic actuator | Electricity | 16 | Expired |
| US7061159B2 | Ultrasonic transducer and ultrasonic motor | Electricity | 13 | Expired |
| US5376858A | Ultrasonic motor | Electricity | 12 | Expired |
| US7084550B2 | Vibration wave linear motor | Electricity | 12 | Expired |
| US7573180B2 | Ultrasonic motor | Electricity | 8 | Active |
| US4998872A | Dental centrifugal casting apparatus | Performing Operations; Transporting | 7 | Expired |
| US7205703B2 | Ultrasonic vibrator and ultrasonic motor using the ultrasonic vibrator | Electricity | 6 | Expired |
| US4320956A | Electrophotographic apparatus including a screen member for decreasing side edge electrostatic charge | Physics | 6 | Expired |
| US7592738B2 | Ultrasonic motor | Electricity | 5 | Active |
| US7759840B2 | Ultrasonic motor and vibration detection method for ultrasonic motor | Electricity | 5 | Active |
| US7053525B2 | Ultrasonic linear motor | Electricity | 3 | Expired |
| US9835851B2 | Optical fiber scanner | Human Necessities | 2 | Active |
| US8294334B2 | Ultrasonic motor | Electricity | 2 | Active |
| US7576472B2 | Ultrasonic motor | Electricity | 2 | Active |
| US7023125B2 | Ultrasonic-motor driving apparatus | Electricity | 1 | Expired |
| US9219221B2 | Piezoelectric actuator having prismatic piezoelectric element | Electricity | 1 | Active |
| US4405224A | Electrophotographic apparatus having means for removing undesired charge concentrated on an edge portion of a photosensitive member | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.