Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942009 | Method of Manufacturing a ferrule | — | 1990-07-17 |
| 4385940 | Method for anticorrosive treatment of galvanized steel | Shigeki Kirihara | 1983-05-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942009 | Method of Manufacturing a ferrule | — | 1990-07-17 |
| 4385940 | Method for anticorrosive treatment of galvanized steel | Shigeki Kirihara | 1983-05-31 |