Tsubone; Kodai
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsubone; Kodai.The latest application filed is for "headphone device".
- Tsubone; Kodai - Tokyo JP
- Tsubone; Kodai - Machida JP
| Patent | Date |
|---|---|
| Headphone and earmuff Grant 11,368,772 - Tsubone June 21, 2 | 2022-06-21 |
| Headphone device Grant 11,310,583 - Tsubone April 19, 2 | 2022-04-19 |
| Headphone Grant D938,934 - Tsubone , et al. December 21, 2 | 2021-12-21 |
| Headphone Device App 20210289278 - TSUBONE; Kodai | 2021-09-16 |
| Headphone And Earmuff App 20210084400 - TSUBONE; Kodai | 2021-03-18 |
| Headphone Grant D893,449 - Tsubone , et al. A | 2020-08-18 |
| Earphone Grant D890,121 - Tsubone , et al. | 2020-07-14 |
| Headset Grant D878,331 - Tsubone , et al. | 2020-03-17 |
| Headphone Grant D878,328 - Tsubone , et al. | 2020-03-17 |
| Headset Grant D878,332 - Tsubone , et al. | 2020-03-17 |
| Headphone Grant D875,068 - Nagamine , et al. Feb | 2020-02-11 |
| Headphone Grant D875,067 - Tsubone , et al. Feb | 2020-02-11 |
| Earphone Grant 10,149,034 - Tsubone De | 2018-12-04 |
| Earphone Grant D833,419 - Tsubone , et al. November 13, 2 | 2018-11-13 |
| Earphone Grant D822,008 - Tsubone , et al. July 3, 2 | 2018-07-03 |
| Earphone App 20180035193 - TSUBONE; Kodai | 2018-02-01 |
| Ear pad and headphone Grant 9,699,541 - Tsubone July 4, 2 | 2017-07-04 |
| Ear Pad and Headphone App 20160353190 - Tsubone; Kodai | 2016-12-01 |
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