Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569301 | Cation exchange membrane selectively permeable to monovalent cations and method for its production | Yoshio Sugaya, Motoo Fukui | 2003-05-27 |
| 5947297 | Packaging case | Masahiko Ito, Hisashi Nakano | 1999-09-07 |
| 5705046 | Process for treating effluent from flue-gas desulfurization system and apparatus therefor | Tatunori Miwata, Tsumoru Nakamura, Shinichiro Kotake | 1998-01-06 |
| 5062960 | Method and apparatus for recovering an acid from an acid-containing waste liquor | Toshikatsu Hamano | 1991-11-05 |
| 4954262 | Method and apparatus for recovering sulfuric acid from a titanium sulfate waste liquor | Toshikatsu Hamano | 1990-09-04 |
| 4896824 | Pour spout container | — | 1990-01-30 |