Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10752996 | Surface treatment agent, surface treatment method, and surface treated metal material | Takeru Azuma, Masayasu Ara | 2020-08-25 |
| 6235180 | Method for forming phosphate film on the steel wires and apparatus used therefore | Naoyuki Kobayashi, Shigemasa Takagi, Tomoaki Katsumata | 2001-05-22 |