Nippon Ferrite, Ltd.
3Patents
0Active
3Granted
24Portfolio score
Filing activity: Oct 20, 1987 → Mar 22, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4812787A | Lumped constant non-reciprocal circuit element | Electricity | 15 | Expired |
| US4900702A | Dielectric ceramic composition | Chemistry; Metallurgy | 12 | Expired |
| US5053734A | Magnetostatic wave device | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.