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Patent applications and USPTO patent grants for Kitazumi; Gontaro.The latest application filed is for "single transducer full duplex talking circuit".
Patent | Date |
---|---|
Single transducer full duplex talking circuit Grant 8,315,379 - Masuda , et al. November 20, 2 | 2012-11-20 |
Single Transducer Full Duplex Talking Circuit App 20080170515 - Masuda; Masahisa ;   et al. | 2008-07-17 |
Infrared communication adapter Grant 7,218,953 - Kitazumi , et al. May 15, 2 | 2007-05-15 |
Keyboard type input device and portable information processor Grant 6,876,354 - Terasaki , et al. April 5, 2 | 2005-04-05 |
Infrared communication adapter App 20040029613 - Kitazumi, Gontaro ;   et al. | 2004-02-12 |
Communication apparatus communication system and communication method App 20040015693 - Kitazumi, Gontaro | 2004-01-22 |
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