Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357193 | Semiconductor memory having a voltage stress applying circuit | Masaru Koyanagi | 1994-10-18 |
| 5347145 | Pad arrangement for a semiconductor device | Masaru Koyanagi | 1994-09-13 |
| 5282167 | Dynamic random access memory | Masaru Koyanagi | 1994-01-25 |
| 5279995 | Zirconia ceramics | Yutaka Kimura, Masamichi Obitsu | 1994-01-18 |