Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021451 | Fine α-alumina particle | Yoshiaki Takeuchi | 2011-09-20 |
| 7858067 | Method for producing alpha-alumina particle | Yoshiaki Takeuchi | 2010-12-28 |
| 7691362 | Method for producing an α-alumina power | Yoshiaki Takeuchi, Kazuhisa Kajihara | 2010-04-06 |
| 7674525 | Process for producing fine α-alumina particles | Yoshiaki Takeuchi, Yuzuru Saitou | 2010-03-09 |
| 7351394 | Method for producing α-alumina powder | Yoshiaki Takeuchi | 2008-04-01 |
| 7307033 | Method for producing α-alumina particulate | Yoshiaki Takeuchi | 2007-12-11 |
| 7078010 | Method for producing α-alumina powder | Yoshiaki Takeuchi, Kazuhisa Kajihara | 2006-07-18 |