Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834016 | Semiconductor memory device having redundancy system | Yohji Watanabe | 2004-12-21 |
| 6741509 | Semiconductor storage device formed to optimize test technique and redundancy technology | Takashi Taira, Kenji Ishizuka, Yohji Watanabe | 2004-05-25 |
| 6674678 | Sense amplifier control circuit of semiconductor memory device | — | 2004-01-06 |