Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10450468 | Surface treatment composition for coated steel sheet, surface treated plated steel sheet and method of production of same, and coated plated steel sheet and method of production of same | Shigeki Yamamoto, Tomohiro Iko, Hiromasa Nomura, Hiroyuki Oyokawa | 2019-10-22 |
| 10253416 | Surface treatment agent for metal material and production method for surface-treated metal material | Yoshikazu NAMAI, Daisuke Shimizu | 2019-04-09 |