Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649725 | Thread joint for tube | Kenichi Ohyabu, Jun Maeda, Akira Narita | 1997-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649725 | Thread joint for tube | Kenichi Ohyabu, Jun Maeda, Akira Narita | 1997-07-22 |