Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820819 | Steel for chimney or gas duct, excellent in pitting resistance and rust adhesion | Koji Tanabe, Hidesato Mabuchi, Yukio Tomita, Akira Usami, Katsutoshi Hashima +4 more | 1998-10-13 |
| 5151248 | Pd-added austenitic stainless steel for use for high temperature concentrated sulfuric acid | Hideo Nakamoto, Naohiko Ukawa, Tamotsu Yamada, Yasuo Nishimura | 1992-09-29 |