Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290015 | Method of producing high-melting-point and high-toughness metal and apparatus for the same | Tatsuo Naritomi, Yoshinobu Toshida, Toshiyuki Ohta, Masaji Katsumaru, Hisayuki Wada +1 more | 1994-03-01 |