Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6717878 | Semiconductor device | Masaki Tsukude | 2004-04-06 |
| 6693838 | Semiconductor memory device equipped with refresh timing signal generator | Takafumi Takatsuka, Masaki Tsukude | 2004-02-17 |
| 6140862 | Semiconductor circuit device having internal power supply circuit | — | 2000-10-31 |
| 5341340 | Semiconductor memory device and operating method | — | 1994-08-23 |