Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623986 | Method of manufacturing a ferroelectric memory device | Kiyoshi Ogata, Kazuhiko Horikoshi, Hisayuki Kato, Keiichi Yoshizumi, Masahito Yamazaki | 2003-09-23 |
| 6579754 | Semiconductor memory device having ferroelectric film and manufacturing method thereof | Kiyoshi Ogata, Kazuhiko Horikoshi, Jun Tanaka, Hisayuki Kato, Keiichi Yoshizumi +1 more | 2003-06-17 |