Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674637 | Magnetic recording medium | Jiro Yoshinari, Koji Kobayashi | 1997-10-07 |
| 5637153 | Method of cleaning reaction tube and exhaustion piping system in heat processing apparatus | Reiji Niino, Yoshiyuki Fujita, Hideki Lee, Yasuo Imamura, Toshiharu Nishimura +4 more | 1997-06-10 |