Microtech Corporation
5Patents
0Active
5Granted
26Portfolio score
Filing activity: Nov 18, 1982 → May 24, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6389148B1 | Electric-acoustic transducer having moving magnet and transducing method thereof | Electricity | 40 | Expired |
| US6404896B1 | Electric-acoustic transducer having dual voice coil drivers | Electricity | 27 | Expired |
| US6385328B1 | Electro-acoustic micro-transducer having three-mode reproduction feature | Electricity | 17 | Expired |
| US4595352A | Single-action ultra-thin cigarette lighter | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4517994A | Flat cigarette lighter | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.