Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7803341 | Fine dry silica particles | Yukihiro Takata, Hiroo Aoki, Masahide Ueda | 2010-09-28 |
| 7452599 | Fine silica particles having specific fractal structure parameter | Minoru Kimura, Hiroo Aoki | 2008-11-18 |