Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328658 | Method of refining chromium-containing steel | Osamu Egawa, Yoshihiro Naito | 1994-07-12 |
| 5286275 | Powder mixture for powder metallurgy and binder therefor | Masahiro Murakami, Hironori Suzuki, Takehiko Hayami, Jiro Chosokabe | 1994-02-15 |