Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376250 | Method of producing water having a reduced salt content | — | 1994-12-27 |
| 5062960 | Method and apparatus for recovering an acid from an acid-containing waste liquor | Yoshiharu Aoki | 1991-11-05 |
| 4954262 | Method and apparatus for recovering sulfuric acid from a titanium sulfate waste liquor | Yoshiharu Aoki | 1990-09-04 |
| 4765872 | Method for treating a plating solution | Yukio Matsumura | 1988-08-23 |
| 4608393 | Process for producing an ion exchange membrane using irradiation by ionizing radiation followed by thermal polymerization | — | 1986-08-26 |
| 4202743 | Electrolysis of aqueous solution of sodium chloride | Yoshio Oda, Manabu Suhara, Shoziro Goto, Takashi Hukushima, Koji Miura | 1980-05-13 |