Tomohiko Kamimura
11Patents
5h-index
18Co-inventors
63Inventor score
Filing activity: Apr 30, 1981 → Oct 5, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6438248B1 | Hand-free apparatus | Electricity | 121 | Expired |
| US4409442A | Headphone | Electricity | 100 | Expired |
| US9103484B2 | Connection device | Electricity | 7 | Active |
| US8442261B2 | Diaphragm including a first vibrating part of a dome shape or flat shape and a second vibrating part of an annular shape and a loudspeaker using the diaphragm | Electricity | 7 | Active |
| USD519986S1 | Speaker | General | 6 | Expired |
| US8290201B2 | Speaker | Electricity | 4 | Active |
| US7187956B2 | Portable communication apparatus and microphone device for the apparatus | Electricity | 3 | Expired |
| US9055359B2 | Electroacoustic transducing device | Electricity | 3 | Active |
| US8041070B2 | Speaker | Electricity | 2 | Active |
| USD529482S1 | Speaker | General | 2 | Expired |
| US6842530B2 | Electric acoustic converter having a rear surface terminal | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.