Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702968 | Heat resistant precoated steel sheet and process for the production thereof | Kenichi Masuhara, Kazuo Yamayoshi | 1987-10-27 |
| 4695516 | Heat resistant precoated steel sheet and process for the production thereof | Kenichi Masuhara, Kazuo Yamayoshi | 1987-09-22 |