Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D904347 | Earphone | Masayuki Yamamoto | 2020-12-08 |
| D878336 | Earphone | Nonomi Shiwaku, Tsutomu Takeshita | 2020-03-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D904347 | Earphone | Masayuki Yamamoto | 2020-12-08 |
| D878336 | Earphone | Nonomi Shiwaku, Tsutomu Takeshita | 2020-03-17 |