Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8049446 | Motor control device and magnetic pole position estimation precision confirming method | — | 2011-11-01 |
| 7948075 | Silicon nitride substrate, method of manufacturing the same, and silicon nitride circuit board and semiconductor module using the same | Youichirou Kaga | 2011-05-24 |
| 7915533 | Silicon nitride substrate, a manufacturing method of the silicon nitride substrate, a silicon nitride wiring board using the silicon nitride substrate, and semiconductor module | Youichirou Kaga, Hiromi Kikuchi, Hisayuki Imamura | 2011-03-29 |