SUMIDA

Owners

Goods & Services

[ electric wire reel (bobbin) for electric coil and transformers; electromagnetic shield case for electric coils and transformers; ] power supply transformers for inverters; DC/DC converters; switching power supplies for interface of digital equipment; namely, [ CD players, helical filters for communication equipment, ] LC filters, chip type or surface mount technology type for video cameras and video cassette recorders; radio, television and communication equipment; namely, bandpass and band eliminate filters; line filters for AC and DC noise eliminating or suppressing; [ duplexer for cordless telephone; ] coils and inductors for low frequency for power supply choke coils; intermediate frequency transformers [ and oscillation; detectors for AM and FM radio, television set and communications equipment; delay line/ focusing coils for television; ] antennas of the [ loop and ] ferrite bar type; chip type inductors; [ solenoid for electric magnetic relay, power supply units,] inverter transformer units for driving cold cathode fluorescent lamps; DC-DC converters units for driving electroluminescent lamps [ and electronic tuning blocks for radios ]

[ electrical insulation products; namely, insulated case or cover for electric coils and transformers; and insulated holding device for electric coils for use in the manufacturing of electronic instruments ]