Ryuta Kanno
33Patents
12h-index
21Co-inventors
77Inventor score
Filing activity: Apr 14, 1989 → Jul 19, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD384940S | Remote controller | General | 181 | Expired |
| USD373360S | Headphone | General | 107 | Expired |
| US4960256A | Holding structure for displaying apparatus | Emerging Cross-Sectional Technologies | 92 | Expired |
| USD375312S | Headphone | General | 90 | Expired |
| USD325578S | Transmitter for a headphone | General | 66 | Expired |
| USD446511S | Recording device | General | 51 | Expired |
| USD545335S1 | Camera | General | 42 | Expired |
| USD494167S1 | Portable information terminal | General | 27 | Expired |
| USD344523S | Remote controller for an audio disc player | General | 26 | Expired |
| USD326652S | Radio tuner | General | 20 | Expired |
| USD494166S1 | Portable information terminal | General | 18 | Expired |
| USD350134S | Radio receiver | General | 17 | Expired |
| USD342734S | Digital audio disc player | General | 12 | Expired |
| USD350133S | Radio receiver | General | 11 | Expired |
| USD579489S1 | Printer | General | 11 | Expired |
| USD496036S1 | Portable information terminal | General | 9 | Expired |
| US7245486B2 | Cooling air intake structure and desk top computer | Physics | 7 | Expired |
| USD359049S | Headphone | General | 7 | Expired |
| USD326852S | Radio tuner | General | 7 | Expired |
| USD570395S1 | Lighting device for camera | General | 7 | Expired |
| USD580486S1 | Printer | General | 7 | Expired |
| USD320015S | Combined tape player and radio tuner | General | 6 | Expired |
| USD465468S1 | Recording device | General | 6 | Expired |
| USD342733S | Audio digital disc player | General | 5 | Expired |
| USD344519S | Tape player combined with a radio receiver and a clock | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.