Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106636 | Method and apparatus for controlling the atmosphere in a heat treatment furnace | Takeshi Naito, Kouichi Ogihara, Akihiro Wakatsuki, Hideki Inoue, Yoshio Nakashima | 2000-08-22 |
| 6051078 | Method and apparatus for controlling the atmosphere in heat treatment furnace | Takeshi Naito, Kouichi Ogihara, Akihiro Wakatsuki, Hideki Inoue, Yoshio Nakashima | 2000-04-18 |