Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002655 | Process for the recovery of aromatic nitrogen-containing compounds | Koji Ukegawa, Teruo Kondo, Akimitsu Matsumura | 1991-03-26 |
| 4501610 | Fine particles of ferromagnetic metal and process for producing the same | Yasuto Adachi, Takayoshi Yoshizaki | 1985-02-26 |