Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8846773 | Method for manufacturing anion exchange resin, anion exchange resin, method for manufacturing cation exchange resin, cation exchange resin, mixed bed resin, and method for manufacturing ultrapure water for washing electronic component material | Takeo Fukui, Tetsuo Mizuniwa, Kazuhiko Tokunaga | 2014-09-30 |
| 8765825 | Method for manufacturing anion exchange resin, anion exchange resin, method for manufacturing cation exchange resin, cation exchange resin, mixed bed resin, and method for manufacturing ultrapure water for washing electronic component material | Takeo Fukui, Tetsuo Mizuniwa, Kazuhiko Tokunaga | 2014-07-01 |
| 8476324 | Method for manufacturing anion exchange resin, anion exchange resin, method for manufacturing cation exchange resin, cation exchange resin, mixed bed resin, and method for manufacturing ultrapure water for washing electronic component material | Takeo Fukui, Tetsuo Mizuniwa, Kazuhiko Tokunaga | 2013-07-02 |