Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6092227 | Test circuit | Hideki Toki, Akira Kitaguchi, Makoto Hatakenaka, Masaaki Matsuo, Tsuyoshi Saitoh | 2000-07-18 |
| 6043522 | Field effect transistor array including doped two-cell isolation region for preventing latchup | Michio Nakajima, Makoto Hatakenaka, Akira Kitaguchi, Takekazu Yamashita, Masaaki Matsuo | 2000-03-28 |
| 6040614 | Semiconductor integrated circuit including a capacitor and a fuse element | Akira Kitaguchi, Makoto Hatakenaka, Michio Nakajima, Kaoru Motonami, Takekazu Yamashita | 2000-03-21 |
| 5973953 | Semiconductor memory device having improved bit line structure | Takekazu Yamashita, Michio Nakajima, Makoto Hatakenaka, Hideki Toki, Tuyoshi Saitoh | 1999-10-26 |
| 5926429 | Semiconductor memory device and method of refreshing semiconductor memory device | Tsuyoshi Saitoh, Michio Nakajima, Masaaki Matsuo, Nobuyuki Fujii, Akira Kitaguchi | 1999-07-20 |