Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029689 | Method for producing high-purity quaternary ammonium salt | Tetsuo Nishida, Kazutaka Hirano, Akinori Oka, Yoshinobu Abe | 2011-10-04 |
| 8029690 | Process for production of highly pure quaternary ammonium salt | Tetsuo Nishida, Kazutaka Hirano, Akinori Oka, Yoshinobu Abe | 2011-10-04 |
| 7875732 | Quaternary ammonium salt, electrolyte, electrolyte, solution and electrochemical device | Tetsuo Nishida, Kazutaka Hirano, Megumi Tomisaki, Yasutaka Tashiro, Hitoshi Tsurumaru +3 more | 2011-01-25 |