Hitachi Research Dev. Corp.
1Patents
0Active
1Granted
21Portfolio score
Filing activity: Sep 19, 1980 → Sep 19, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4306908A | Ferromagnetic amorphous alloy | Electricity | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.