loadpatents
Patent applications and USPTO patent grants for Ohta; Yoshizumi.The latest application filed is for "panel-typed loud speaker and an exciter therefor".
Patent | Date |
---|---|
Panel-typed loud speaker and an exciter therefor Grant 7,764,804 - Ohta , et al. July 27, 2 | 2010-07-27 |
Panel-typed loud speaker and an exciter therefor App 20070053531 - Ohta; Yoshizumi ;   et al. | 2007-03-08 |
Case for containing electrical instrument Grant 7,181,040 - Ohta February 20, 2 | 2007-02-20 |
Speaker and method for manufacturing the speaker App 20060177092 - Ohta; Yoshizumi | 2006-08-10 |
Electro-dynamic exciter App 20060072248 - Watanabe; Shigehisa ;   et al. | 2006-04-06 |
Electrical acoustic converter Grant 7,010,142 - Kuwabara , et al. March 7, 2 | 2006-03-07 |
Speaker for an electronic instrument Grant 6,845,168 - Kuwabara , et al. January 18, 2 | 2005-01-18 |
Speaker for an electronic instrument Grant 6,795,563 - Ohta September 21, 2 | 2004-09-21 |
Case for containing electrical instrument App 20040170298 - Ohta, Yoshizumi | 2004-09-02 |
Speaker Grant 6,751,332 - Kobayashi , et al. June 15, 2 | 2004-06-15 |
Electrical acoustic converter App 20040105564 - Kuwabara, Atsushi ;   et al. | 2004-06-03 |
Microspeaker Grant 6,690,809 - Miyamoto , et al. February 10, 2 | 2004-02-10 |
Speaker for an electronic instrument App 20030194105 - Kuwabara, Atsushi ;   et al. | 2003-10-16 |
Connecting device for connecting a sound producing device to an electronic equipment Grant 6,504,940 - Omata , et al. January 7, 2 | 2003-01-07 |
Electromagnetic sound generator Grant 6,476,710 - Togawa , et al. November 5, 2 | 2002-11-05 |
Microspeaker Grant 6,400,825 - Miyamoto , et al. June 4, 2 | 2002-06-04 |
Speaker App 20020064293 - Kobayashi, Takashi ;   et al. | 2002-05-30 |
Microspeaker App 20020054691 - Miyamoto, Kazumi ;   et al. | 2002-05-09 |
Microspeaker App 20020054688 - Miyamoto, Kazumi ;   et al. | 2002-05-09 |
Electromagnetic sound generator App 20010033224 - Togawa, Shinichi ;   et al. | 2001-10-25 |
Speaker for an electronic instrument App 20010033672 - Ohta, Yoshizumi | 2001-10-25 |
Loudspeaker with a socket Grant D446,785 - Ohta August 21, 2 | 2001-08-21 |
Connecting device for connecting a sound producing device to an electronic equipment App 20010004398 - Omata, Hajime ;   et al. | 2001-06-21 |
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