Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023353 | Semiconductor memory device, refresh control method thereof, and test method thereof | Masami Nakashima, Yoshiharu Kato | 2011-09-20 |
| 7872293 | Capacitance cell, semiconductor device, and capacitance cell arranging method | — | 2011-01-18 |