Hanayama; Katsutoki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hanayama; Katsutoki.The latest application filed is for "speaker device".
- Hanayama; Katsutoki - Shizuoka JP
- HANAYAMA; Katsutoki - Hamamatsu JP
- HANAYAMA; Katsutoki - Hamamatsu-shi JP
- Hanayama; Katsutoki - Saitama-ken JP
| Patent | Date |
|---|---|
| Mounting tool and speaker device Grant 10,972,818 - Hanayama April 6, 2 | 2021-04-06 |
| Speaker device Grant 10,924,831 - Hanayama February 16, 2 | 2021-02-16 |
| Speaker Device App 20200092624 - HANAYAMA; Katsutoki | 2020-03-19 |
| Mounting Tool And Speaker Device App 20200084529 - HANAYAMA; Katsutoki | 2020-03-12 |
| Speaker unit mounting bracket, and installation speaker using the same Grant 10,516,926 - Kamihara , et al. Dec | 2019-12-24 |
| Speaker Unit Mounting Bracket, And Installation Speaker Using The Same App 20180242062 - KAMIHARA; Masanori ; et al. | 2018-08-23 |
| Speaker unit Grant 9,843,848 - Shiojima , et al. December 12, 2 | 2017-12-12 |
| Speaker unit Grant 9,774,937 - Shiojima , et al. September 26, 2 | 2017-09-26 |
| Speaker Unit App 20160227306 - SHIOJIMA; Hiroyuki ; et al. | 2016-08-04 |
| Speaker Unit App 20160227307 - SHIOJIMA; Hiroyuki ; et al. | 2016-08-04 |
| Acoustic device Grant 6,792,122 - Okada , et al. September 14, 2 | 2004-09-14 |
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