SONG CO., LTD.
2Patents
1Active
2Granted
33Portfolio score
Filing activity: Apr 23, 1996 → Jan 30, 2012
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5661729A | Semiconductor memory having built-in self-test circuit | Physics | 31 | Expired |
| US9139337B2 | Round trip envelope | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.