Gen Engineering Co., Ltd.
2Patents
0Active
2Granted
24Portfolio score
Filing activity: May 5, 1980 → Oct 3, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4334315A | Wireless transmitting and receiving systems including ear microphones | Electricity | 381 | Expired |
| US4409435A | Hearing aid suitable for use under noisy circumstance | Electricity | 31 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.