Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886777 | Process for preparing compound metal oxides | Etsuji Kimura, Nozomu Hasegawa | 1989-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886777 | Process for preparing compound metal oxides | Etsuji Kimura, Nozomu Hasegawa | 1989-12-12 |