Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685907 | Process for producing silica particles suitable for use as filler for paper | Masashi Matsuda, Masasuke Watanabe, Hitoshi Okada, Osamu Kitao | 2004-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685907 | Process for producing silica particles suitable for use as filler for paper | Masashi Matsuda, Masasuke Watanabe, Hitoshi Okada, Osamu Kitao | 2004-02-03 |