Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564389 | Process for coal-gasification and making pig iron | Hideyuki Yamaoka, Tomio Miyazaki, Teruhisa Shimoda, Koji Oki | 1986-01-14 |
| 4504043 | Apparatus for coal-gasification and making pig iron | Hideyuki Yamaoka, Tomio Miyazaki, Teruhisa Shimoda, Koji Oki | 1985-03-12 |