Patent assignee · JP · COMPANY

Nippon Ferrite, Ltd.

3Patents
0Active
3Granted
24Portfolio score

Filing activity: Oct 20, 1987 → Mar 22, 1990

Most-cited patents

PatentTitleAreaCited byStatus
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.