Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337785 | Method using copper-copper-alloy tube for water supply | Shiro Sato | 1982-07-06 |
| 4337793 | Copper-alloy tube water supply | Shiro Sato | 1982-07-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337785 | Method using copper-copper-alloy tube for water supply | Shiro Sato | 1982-07-06 |
| 4337793 | Copper-alloy tube water supply | Shiro Sato | 1982-07-06 |