Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4388112 | Steelmaking process with separate refining steps | Morihiro Sumida, Hiroki Goto | 1983-06-14 |
| 4261202 | Apparatus for determining carbon contents in molten metal | Taizo Kawamoto, Yozo Takemura, Kaname Ohno | 1981-04-14 |