Kumo; Hiroyasu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kumo; Hiroyasu.The latest application filed is for "diaphragm or dust cap and speaker unit".
- Kumo; Hiroyasu - Osaka JP
- Kumo; Hiroyasu - Neyagawa JP
- Kumo; Hiroyasu - Neyagawa-shi JP
| Patent | Date |
|---|---|
| Diaphragm or dust cap and speaker unit Grant 10,805,732 - Inoue , et al. October 13, 2 | 2020-10-13 |
| Diaphragm Or Dust Cap And Speaker Unit App 20200077197 - INOUE; Takeru ; et al. | 2020-03-05 |
| Acoustic diaphragm Grant 9,818,395 - Kumo , et al. November 14, 2 | 2017-11-14 |
| Acoustic Diaphragm App 20170206885 - KUMO; Hiroyasu ; et al. | 2017-07-20 |
| Loudspeaker Diaphragm App 20170183500 - KUMO; Hiroyasu ; et al. | 2017-06-29 |
| Speaker diaphragm and electrodynamic loudspeaker using the same Grant 8,131,001 - Toyofuku , et al. March 6, 2 | 2012-03-06 |
| Voice coil assembly and loudspeaker using the same Grant 7,864,977 - Sadaie , et al. January 4, 2 | 2011-01-04 |
| Voice coil assembly, loudspeaker using the same, and method for producing the same Grant 7,848,536 - Sadaie , et al. December 7, 2 | 2010-12-07 |
| Voice Coil Assembly And Loudspeaker Using The Same App 20100215208 - SADAIE; Koichi ; et al. | 2010-08-26 |
| Voice Coil Assembly, Loudspeaker Using The Same, And Method For Producing The Same App 20090116681 - SADAIE; Koichi ; et al. | 2009-05-07 |
| Speaker Diaphragm And Electrodynamic Loudspeaker Using The Same App 20090041291 - TOYOFUKU; Kenichiro ; et al. | 2009-02-12 |
| Speaker diaphragm and speaker structure Grant 7,344,001 - Inoue , et al. March 18, 2 | 2008-03-18 |
| Speaker diaphragm and speaker structure App 20060266577 - Inoue; Toshihide ; et al. | 2006-11-30 |
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