Issued Patents All Time
Showing 1–2 of 2 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 |
| 4518353 | Vacuum sintering furnace | Tadashi Seki, Masafumi Kawaguchi, Yukio Tanaka, Morikatsu Iwasaki, Toshio Nagasawa | 1985-05-21 |