Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684734 | Semiconductor element and process for manufacturing the same | Tomoyuki Ishii, Koichi Seki, Toshiyuki Mine, Takashi Kobayashi | 1997-11-04 |
| 5600163 | Semiconductor element and semiconductor memory device using the same | Tomoyuki Ishii, Takashi Hashimoto, Koichi Seki, Masakazu Aoki, Takeshi Sakata +2 more | 1997-02-04 |