Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649847 | Resin block insulating system | Junpei Kusukawa, Koji Obata | 2003-11-18 |
| 6504110 | Insulating circuit board and power semiconductor apparatus employing the same | Junpei Kusukawa | 2003-01-07 |