Ltd. Hitachi Engineering & Services Co
1Patents
0Active
1Granted
25Portfolio score
Filing activity: Nov 7, 1991 → Nov 7, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5467444A | Method of three-dimensional display of object-oriented figure information and system thereof | Physics | 47 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.