Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492690 | Semiconductor device having control electrodes with different impurity concentrations | Shuichi Ueno, Shigenobu Maeda, Shigeto Maegawa | 2002-12-10 |
| 6461920 | Semiconductor device and method of manufacturing the same | Masayoshi Shirahata | 2002-10-08 |
| 6399985 | Semiconductor device | Katsuyuki Horita, Takashi Kuroi | 2002-06-04 |
| 6388295 | Semiconductor device and method of manufacturing the same | Tomohiro Yamashita, Atsushi Hachisuka, Shinya Soeda | 2002-05-14 |