Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9270242 | Sound volume adjusting apparatus | Koichi Fuse | 2016-02-23 |
| 8670574 | Sound volume adjusting apparatus | Koichi Fuse | 2014-03-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9270242 | Sound volume adjusting apparatus | Koichi Fuse | 2016-02-23 |
| 8670574 | Sound volume adjusting apparatus | Koichi Fuse | 2014-03-11 |