Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6117280 | Duplex coated steel composite products and method of manufacturing them | Yoshiro Ishii, Shinichi Okabe | 2000-09-12 |
| 6110571 | Duplex coated steel composite products and method of manufacturing them | Yoshiro Ishii, Shinichi Okabe | 2000-08-29 |