Kosuda; Kazuyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kosuda; Kazuyuki.The latest application filed is for "loudspeaker and earphones".
- Kosuda; Kazuyuki - Okayama JP
- Kosuda; Kazuyuki - Osaka JP
- Kosuda; Kazuyuki - Moriguchi JP
- Kosuda; Kazuyuki - Neyagawa N/A JP
- Kosuda; Kazuyuki - Moriguchi-shi JP
- Kosuda; Kazuyuki - Neyagawa-shi JP
- Kosuda; Kazuyuki - Mie JP
- Kosuda, Kazuyuki - Age-Gun JP
| Patent | Date |
|---|---|
| Loudspeaker And Earphones App 20200374613 - Saiki; Shuji ; et al. | 2020-11-26 |
| Sound Output Device, Earphone, Hearing Aid, And Mobile Terminal Device App 20200366996 - Kosuda; Kazuyuki ; et al. | 2020-11-19 |
| Loudspeaker And Diaphragm Unit App 20200267475 - Kosuda; Kazuyuki ; et al. | 2020-08-20 |
| Loudspeaker And Acoustic Device App 20200213785 - Matsuo; Yuji ; et al. | 2020-07-02 |
| Sound playback device and electronic device using same Grant 9,042,593 - Matsunaga , et al. May 26, 2 | 2015-05-26 |
| Vibrator and portable information terminal having the vibrator Grant 9,035,513 - Funaki , et al. May 19, 2 | 2015-05-19 |
| Sound Playback Device And Electronic Device Using Same App 20140355811 - Matsunaga; Tomoyuki ; et al. | 2014-12-04 |
| Speaker unit and portable information terminal Grant 8,682,021 - Kosuda , et al. March 25, 2 | 2014-03-25 |
| Vibrator And Portable Information Terminal App 20120139367 - Funaki; Masato ; et al. | 2012-06-07 |
| Electroacoustic transducer Grant 8,155,373 - Kosuda , et al. April 10, 2 | 2012-04-10 |
| Speaker Unit And Portable Information Terminal App 20110317867 - Kosuda; Kazuyuki ; et al. | 2011-12-29 |
| Speaker Unit And Portable Information Terminal App 20110311092 - Kosuda; Kazuyuki ; et al. | 2011-12-22 |
| Speaker Unit, Manufacturing Method Thereof, And Portable Information Terminal App 20110261990 - Kosuda; Kazuyuki ; et al. | 2011-10-27 |
| Diaphragm And Speaker Including Same App 20100284562 - Kosuda; Kazuyuki ; et al. | 2010-11-11 |
| Speaker unit Grant 7,657,053 - Kosuda February 2, 2 | 2010-02-02 |
| Electroacoustic Transducer App 20080101649 - KOSUDA; Kazuyuki ; et al. | 2008-05-01 |
| Electroacoustic Transducer App 20080101648 - HATANAKA; Yuki ; et al. | 2008-05-01 |
| Loudspeaker Grant 7,224,817 - Kosuda May 29, 2 | 2007-05-29 |
| Speaker unit App 20060088177 - Kosuda; Kazuyuki | 2006-04-27 |
| Loudspeaker App 20030215109 - Kosuda, Kazuyuki | 2003-11-20 |
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