Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10494329 | Method for synthesizing tetraalkylnitriloacetic acid diacetamide compound | Hirochika Naganawa | 2019-12-03 |
| 9133100 | Method for synthesizing rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Tetsuya Kume, Masaki Ohashi, Hirochika Naganawa | 2015-09-15 |
| 8889903 | Synthesis of rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Tetsuya Ohashi, Tetsuya Kume, Masahiko Ikka +1 more | 2014-11-18 |
| 8841482 | Method for synthesizing rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Tetsuya Kume, Masaki Ohashi, Hirochika Naganawa | 2014-09-23 |
| 8519184 | Synthesis of rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Tetsuya Ohashi, Tetsuya Kume, Masahiko Ikka +1 more | 2013-08-27 |
| 8177881 | Method for extracting and separating rare earth elements | Hiroto Sugahara, Kazuaki Sakaki, Takehisa Minowa, Hirochika Naganawa | 2012-05-15 |