Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955338 | Air-passage opening/closing device | Yoshihiko Okumura, Katsumi Nishikawa, Takahiro Tokunaga, Koji Ito | 2005-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955338 | Air-passage opening/closing device | Yoshihiko Okumura, Katsumi Nishikawa, Takahiro Tokunaga, Koji Ito | 2005-10-18 |