Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4512557 | Apparatus for preparing high-melting-point high-toughness metals | Etsuji Kimura, Katsumi Ogi, Kazusuke Sato | 1985-04-23 |
| 4447045 | Apparatus for preparing high-melting-point high-toughness metals | Etsuji Kimura, Katsumi Ogi, Kazusuke Sato | 1984-05-08 |