Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838958 | Aluminum-alloy rolled sheet and production method therefor | Toshiki Muramatsu, Mamoru Matsuo | 1989-06-13 |
| 4808247 | Production process for aluminum-alloy rolled sheet | Mamoru Matsuo | 1989-02-28 |