Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956159 | Process for recovering gallium trichloride from gallium-containing waste | Takeyoshi Shibasaki, Etsuji Kimura | 1990-09-11 |
| 4956340 | Process for preparing compound metal oxides of yttrium, barium and copper | Etsuji Kimura, Nozomu Hasegawa | 1990-09-11 |
| 4886777 | Process for preparing compound metal oxides | Etsuji Kimura, Nozomu Hasegawa | 1989-12-12 |