Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021806 | Sn-plated steel sheet and method for manufacturing Sn-plated steel sheet | Shigeru Hirano, Masakazu Noda, Yasuhiko Sato | 2021-06-01 |
| 10914017 | Sn-plated steel sheet | Shigeru Hirano, Morio Yanagihara, Hirokazu Yokoya | 2021-02-09 |