Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164801 | A P channel MIS type semiconductor device | Katsuhiko Hieda, Akihiro Nitayama, Kazushi Tsuda, Hiroshi Takato, Naoko Takenouchi | 1992-11-17 |
| 5144579 | Semiconductor memory device and its fabricating method | Naoko Okabe, Satoshi Inoue, Takashi Yamada, Akihiro Nitayama, Hiroshi Takato | 1992-09-01 |
| 5106774 | Method of making trench type dynamic random access memory device | Katsuhiko Hieda, Fumio Horiguchi, Takeshi Hamamoto, Akihiro Nitayama, Kei Kurosawa +1 more | 1992-04-21 |
| 5049957 | MOS type dynamic random access memory | Satoshi Inoue, Akihiro Nitayama, Fumio Horiguchi | 1991-09-17 |
| 5043298 | Process for manufacturing a DRAM cell | Takashi Yamada, Fumio Horiguchi, Satoshi Inoue, Akihiro Nitayama | 1991-08-27 |
| 4897702 | Semiconductor memory device and manufacturing method for the same | — | 1990-01-30 |