Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11965247 | Pretreatment agent and chemical conversion treatment agent | Amane Suzuki, Hidekazu Fukushi | 2024-04-23 |
| 11377568 | Metal surface treatment agent, metal surface treatment method, and metal material | Amane Suzuki | 2022-07-05 |
| 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, Eisuke Kudo, Hiromasa Nomura, Hiroyuki Oyokawa | 2019-10-22 |
| 9175403 | Composition for adhesion layer used for multi-layered surface-treatment steel sheet | Hidehiro Yamaguchi, Shigeki Yamamoto, Wei Li | 2015-11-03 |