Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597737 | Method for producing steel ingot | Ken-ichiro Hara, Setsuo Mishima, Etsuo Fujita | 2009-10-06 |
| 7445678 | Maraging steel and method of producing the same | Setsuo Mishima, Ken-ichiro Hara, Etsuo Fujita | 2008-11-04 |
| 5958331 | Fe-Ni based alloy sheet having superior surface characteristic and superior etchability | Takeo Mizuguchi, Makoto Ishihara, Tetsunori Hayafuji | 1999-09-28 |