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Patent applications and USPTO patent grants for Matsui; Norifumi.The latest application filed is for "resonator, filter, composite filter, transmitting and receving apparatus, and communication apparatus".
Patent | Date |
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Resonator, filter, composite filter, transmitting and receiving apparatus, and communication apparatus Grant 6,888,425 - Matsui , et al. May 3, 2 | 2005-05-03 |
Resonator, filter, composite filter, transmitting and receving apparatus, and communication apparatus App 20030227349 - Matsui, Norifumi ;   et al. | 2003-12-11 |
Low-temperature high-frequency amplifying apparatus and wireless apparatus App 20030179051 - Hattori, Jun ;   et al. | 2003-09-25 |
Resonator, filter, duplexer, composite filter device, transmission-reception device, and communication device App 20030137362 - Matsui, Norifumi ;   et al. | 2003-07-24 |
Electronic part, dielectric resonator, dielectric filter, duplexer, and communication device comprised of high TC superconductor Grant 6,470,198 - Kintaka , et al. October 22, 2 | 2002-10-22 |
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