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Patent applications and USPTO patent grants for Tsukamoto; Katsuya.The latest application filed is for "planar antenna having polarizer for converting linear polarized waves into circular polarized waves".
Patent | Date |
---|---|
Planar antenna having polarizer for converting linear polarized waves into circular polarized waves Grant 5,502,453 - Tsukamoto , et al. March 26, 1 | 1996-03-26 |
Wide-band, dual polarized planar antenna Grant 5,453,751 - Tsukamoto , et al. September 26, 1 | 1995-09-26 |
Planar antenna Grant 5,270,721 - Tsukamoto , et al. December 14, 1 | 1993-12-14 |
Waveguide feeding array antenna Grant 5,243,357 - Koike , et al. September 7, 1 | 1993-09-07 |
Planar antenna Grant 4,977,406 - Tsukamoto , et al. December 11, 1 | 1990-12-11 |
Planar antenna Grant 4,857,938 - Tsukamoto , et al. August 15, 1 | 1989-08-15 |
Planar antenna Grant 4,851,855 - Tsukamoto , et al. July 25, 1 | 1989-07-25 |
Planar antenna Grant 4,829,309 - Tsukamoto , et al. May 9, 1 | 1989-05-09 |
Planar antenna with patch elements Grant 4,816,835 - Abiko , et al. March 28, 1 | 1989-03-28 |
Microwave plane antenna Grant 4,728,962 - Kitsuda , et al. March 1, 1 | 1988-03-01 |
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