Fujitsu Kiden LTD
5Patents
0Active
5Granted
27Portfolio score
Filing activity: Oct 26, 1979 → Sep 25, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD422631S | Portable printer | General | 35 | Expired |
| US6189938A | Locking structure for covering element | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4307859A | Automatic message announcement system | Physics | 19 | Expired |
| US5872751A | Library apparatus and a method for assembly thereof | Physics | 14 | Expired |
| US4276572A | Automatic message announcement system | Electricity | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.