Radio Research Laboratories, Ministry of Posts and Telecommunications
Patent Applications and Registrations
Patent applications and USPTO patent grants for Radio Research Laboratories, Ministry of Posts and Telecommunications.The latest application filed is for "beam forming network for multibeam array antenna".
- Radio Research Laboratories, Ministry of Posts and Telecommunications - Koganei JP
- Radio Research Laboratories, Ministry of Posts and Telecommunications - Tokyo JP
| Patent | Date |
|---|---|
| Beam forming network for multibeam array antenna Grant 4,584,581 - Teshirogi April 22, 1 | 1986-04-22 |
| Circular polarization antenna Grant 4,543,579 - Teshirogi September 24, 1 | 1985-09-24 |
| Method for diversity reception and apparatus therefor Grant 4,406,017 - Takahashi September 20, 1 | 1983-09-20 |
| Method and apparatus for suppressing digital error noise in digital communication Grant 4,351,062 - Yoshiya September 21, 1 | 1982-09-21 |
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