Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638036 | Method of manufacturing ventilating device and the ventilating device | Kenji Kobayashi, Tomoyuki Shibuya, Koji Okada, Haruo Hirakawa | 2003-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638036 | Method of manufacturing ventilating device and the ventilating device | Kenji Kobayashi, Tomoyuki Shibuya, Koji Okada, Haruo Hirakawa | 2003-10-28 |