Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316962 | Method of producing a semiconductor device having trench capacitors and vertical switching transistors | Naoto Matsuo, Michihiro Inoue | 1994-05-31 |
| 5315543 | Semiconductor memory device and a manufacturing method thereof | Naoto Matsuo, Hisashi Ogawa, Yoshiro Nakata | 1994-05-24 |