Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865823 | Method for recovering gallium | Minoru Tanaka, Kunihiko Yamaguchi, Kazumasa Arai, Gouichi Muramatsu | 1989-09-12 |
| 4689277 | Rare earth phosphor and radiographic image conversion screen | Minoru Tanaka, Keiko Matsuo, Etsuo Shimizu | 1987-08-25 |
| 4473518 | Process for preparing a phosphor | Masachika Yaguchi | 1984-09-25 |
| 4201747 | Method of separating yttrium ions | Tsugio Kaneko, Kunihiko Yamaguchi | 1980-05-06 |