Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955795 | Method for producing lithium hexafluorophosphate | Hirohisa Kikuyama, Masahide Waki, Tomoyuki Deguchi | 2005-10-18 |
| 6905606 | Method of removing calcium from water containing calcium hydrogen carbonate in high concentration | Hirohisa Kikuyama, Masayuki Miyashita | 2005-06-14 |
| 6884403 | Method of purifying lithium hexafluorophosphate | Hirohisa Kikuyama, Masahide Waki, Hirofumi Yazaki | 2005-04-26 |
| 6666973 | Method for fixing fluorine and phosphorus in waste water containing fluorophosphoric acid-derived compound to remove them | Hirohisa Kikuyama, Masayuki Miyashita | 2003-12-23 |
| 6514474 | Method of purifying lithium hexafluorosphate | Hirohisa Kikuyama, Masahide Waki, Hirofumi Yazaki | 2003-02-04 |