Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458219 | Metal surface-treating method | Hiroshi Chihara, Kenji Tsuge, Yutaka Kinose, Toru Hata, Eriko Okuno | 2002-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458219 | Metal surface-treating method | Hiroshi Chihara, Kenji Tsuge, Yutaka Kinose, Toru Hata, Eriko Okuno | 2002-10-01 |