Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7988866 | Method of treating fumed silica-containing drainage water | Yoshiaki Koga, Toshihiko Inoue | 2011-08-02 |
| 7988867 | Method of treating silicon powder-containing drainage water | Yoshiaki Koga, Toshihiko Inoue | 2011-08-02 |
| 7625971 | Silica-loaded granular rubber and process for producing the same | Tsunetoshi Sugimura, Kazutaka Watanabe, Osamu Yatabe, Takeshi Karato, Takahiko Fukahori +1 more | 2009-12-01 |
| 5712040 | Fluorine-containing resin molded articles | Akihiko Nakahara, Junichiro Nakashima, Tatsuo Esaki | 1998-01-27 |