Minoru Kuwana
22Patents
12h-index
33Co-inventors
77Inventor score
Filing activity: May 13, 1988 → Dec 17, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5589723A | Driving apparatus using transducer | Electricity | 95 | Expired |
| US6727954B1 | Electronic camera and image processing system | Electricity | 92 | Expired |
| US6111336A | Driving apparatus using transducer | Electricity | 40 | Expired |
| US5587846A | Lens moving apparatus | Physics | 39 | Expired |
| US6392827B1 | Drive and guide mechanism and apparatus using the mechanism | Physics | 36 | Expired |
| US5576894A | Zoom lens barrel based on the vari-focal optical system | Physics | 29 | Expired |
| US5675444A | Lens barrel having a piezoelectric actuator for moving optical elements | Physics | 27 | Expired |
| US6215605A | Driving device | Physics | 26 | Expired |
| US6397008B2 | Driving system with elastically supporting units | Physics | 17 | Expired |
| US5196880A | Photographic camera system | Physics | 17 | Expired |
| US5633763A | Lens drive mechanism using an electro-mechanical transducer | Physics | 16 | Expired |
| US5859733A | Apparatus for detecting and displaying position of a lens on an optical axis | Physics | 16 | Expired |
| US6856072B2 | Ultrasonic driving mechanism | Electricity | 12 | Expired |
| US6618212B2 | Lens driving apparatus and photographic apparatus | Physics | 9 | Expired |
| US6628320B2 | Communication device having an image transmission function | Electricity | 8 | Expired |
| US6539174B1 | Light image shift correcting device and an optical device | Physics | 8 | Expired |
| US5258802A | Camera system which compensates for defocusing during operation | Physics | 8 | Expired |
| US5786941A | Zoom lens system | Physics | 6 | Expired |
| US4897682A | Stop device for photographic camera | Physics | 5 | Expired |
| US5274409A | Camera with multiple lens driving modes | Physics | 3 | Expired |
| US5365297A | Camera system with zoom lens having presettable focal lengths | Physics | 2 | Expired |
| US5011273A | Lens barrel of a zoom lens | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.