Company Filing History:

5 out of 226

Kokusai Denshin Denwa Co., Ltd.

patents

4 out of 339

Kokusai Denshin Denwa Kabushiki Kaisha

patents

Years Active: 1976-1984

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4472812 - Kalman equalizer (1984-09-18),

2. 4368360 - Adaptive control type echo suppressor (1983-01-11),

3. 4285045 - Delay circuit (1981-08-18),

4. 4241443 - Apparatus for reducing a sampling frequency (1980-12-23),

5. 4145747 - Method for establishing a tap coefficient of an adaptive automatic (1979-03-20),

6. 4125899 - Bessel function type automatic delay equalizer (1978-11-14),

7. 4064397 - Automatic equalizer having a coefficient matrix circuit (1977-12-20),

8. 4013981 - Constant-resistance coupled-line type equalizer (1977-03-22),

9. 3987422 - System for detecting signal quality of a phase-modulated wave (1976-10-19),

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Location History:

Company Filing History:

Years Active: 1976-1984