Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698879 | Nonvolatile semiconductor memory device | Seiichi Aritome, Tomoharu Tanaka | 1997-12-16 |
| 5680347 | Nonvolatile semiconductor memory device | Koji Sakui, Tomoharu Tanaka, Seiichi Aritome | 1997-10-21 |
| 5623100 | Ultrasonic inspection and imaging intstrument | Yukio Arima, Toshihiro Kimura, Yuichi Kunitomo, Tadatoshi Shimamura, Takeshi Nishiduka | 1997-04-22 |