Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10104465 | Headphone device | Yuji Yanagishita, Shohei Tanigawa | 2018-10-16 |
| 9980037 | Speaker and headphone device | Yasuhiro Miwa | 2018-05-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10104465 | Headphone device | Yuji Yanagishita, Shohei Tanigawa | 2018-10-16 |
| 9980037 | Speaker and headphone device | Yasuhiro Miwa | 2018-05-22 |