Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7090780 | Bactericide for use in water treatment, method for water treatment and apparatus for water treatment | Akihiko Ito, Katsufumi Oto, Kazuya Sugita | 2006-08-15 |
| 6743363 | Method of bacteriostasis or disinfection for permselective membrane | Takuhei Kimura, Yuichiro Nakaoki, Yohito Ito, Toshihiro Miyoshi | 2004-06-01 |
| 6521130 | Process for producing composite semipermeable membrane | Shunji Kono, Akihiko Ito | 2003-02-18 |
| 6468430 | Method for inhibiting growth of bacteria or sterilizing around separating membrane | Takuhei Kimura, Yuichiro Nakaoki, Yohito Ito, Toshihiro Miyoshi | 2002-10-22 |
| 6406626 | Composite semipermeable membrane, processfor producing the same, and method of purifying water with the same | Mutsuo Murakami, Yasushi Tateishi | 2002-06-18 |