Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366718 | Process for producing columbite-type niobate and process for producing perovskite-type compound therefrom | Hitoshi Nakata, Takayuki Ishizuki, Shoichi Iwaya, Koji Takahashi, Yuuiti Sannohe +1 more | 1994-11-22 |