Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8889903 | Synthesis of rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Tetsuya Ohashi, Tetsuya Kume, Hirochika Naganawa +1 more | 2014-11-18 |
| 8519184 | Synthesis of rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Tetsuya Ohashi, Tetsuya Kume, Hirochika Naganawa +1 more | 2013-08-27 |
| 5418285 | Magnetic recording medium | Tomoki Horiguchi, Yoshiyuki Yasuhara | 1995-05-23 |
| 4770941 | Magnetic recording medium and a coating composition therefor | Kyoiti Imai | 1988-09-13 |