Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319715 | Noise sound controller | Kazuya Sako | 1994-06-07 |
| 5293578 | Noise reducing device | Akira Motojima, Yoshihiro Kageyama | 1994-03-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319715 | Noise sound controller | Kazuya Sako | 1994-06-07 |
| 5293578 | Noise reducing device | Akira Motojima, Yoshihiro Kageyama | 1994-03-08 |