Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9512331 | Surface treatment agent for zinc or zinc alloy coated steel sheet, zinc or zinc alloy coated steel sheet, and method of producing the steel sheet | Toru Imokawa, Nobue Fujibayashi, Takahiro Kubota, Masayasu Nagoshi | 2016-12-06 |