Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830785 | Method for photocatalytically rendering a surface of a substrate superhydrophilic, a substrate with a superhydrophilic photocatalytic surface, and method of making thereof | Eiichi Kojima, Keiichiro Norimoto, Mitsuyoshi Machida, Atsushi Kitamura, Toshiya Watanabe +3 more | 2004-12-14 |
| 6699606 | Sanitary ware and process for producing the same | Mitsuyoshi Machida, Koichi Hayashi, Hirotaka Ishibashi, Tomoyasu Ichiki, Masaaki Ito +5 more | 2004-03-02 |
| 6672801 | Submarine apparatus having a spacer mechanism between a body and a boot | Shuichi Watanabe, Taiichi Takeda | 2004-01-06 |