Michael Hung Chang
1Patents
0Active
1Granted
20Portfolio score
Filing activity: Jul 8, 1992 → Jul 8, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5365219A | Conversation level warning device | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.