Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484887 | Ion-selective membranes, their production process, use of the ion-selective membranes, and apparatuses provided with the ion-selective membranes | Takashi Fukutomi, Yoshifumi Sugito, Minoru Takizawa, Naomi Oguma, Seiji Doi | 2002-11-26 |
| 6468341 | Pigment compositions, production process thereof, colorants, and colored articles | Nobuto Wada, Kazutaka Aoki, Yutaka Nakagawa, Shotoku Takami | 2002-10-22 |
| 6465595 | Potentially hydrophilic resins and compositions comprising the same | Minoru Takizawa, Hitoshi Naganuma, Naomi Oguma | 2002-10-15 |