Hitachi Hokkai
1Patents
0Active
1Granted
23Portfolio score
Filing activity: Aug 12, 1996 → Aug 12, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5849606A | Semiconductor device and manufacturing of the same | Electricity | 36 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.