Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5226984 | Process of preparing Fe-Cr-Ni-Al ferritic alloys | Tadashi Hamada, Shuji Yamada, Eiji Tsuji | 1993-07-13 |
| 5089223 | Fe-Cr-Ni-Al ferritic alloys | Tadashi Hamada, Shuji Yamada, Eiji Tsuji | 1992-02-18 |