Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654931 | High-speed semiconductor memory device and data processing system using the same | Akihiro Tamba, Masahiro Iwamura, Yutaka Kobayashi, Tatsumi Yamauchi, Shuko Yamauchi +1 more | 1997-08-05 |
| 5646897 | Logic gate circuit and parallel bit test circuit for semiconductor memory devices, capable of operation at low power source levels | Seigou Yukutake, Masahiro Iwamura, Takashi Akioka, Noboru Akiyama | 1997-07-08 |
| 5638335 | Semiconductor device | Noboru Akiyama, Seigoh Yukutake, Sadayuki Ohkuma, Akihiko Emori, Takashi Akioka +2 more | 1997-06-10 |
| 5631600 | Reference current generating circuit for generating a constant current | Takashi Akioka, Yutaka Kobayashi | 1997-05-20 |