Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5276648 | Testing method for a semiconductor memory device | Kazumasa Yanagisawa, Tatsuyuki Ohta, Tetsu Udagawa, Kyoko Ishii, Hitoshi Miwa +9 more | 1994-01-04 |
| 5258644 | Semiconductor device and method of manufacture thereof | Akihiro Tamba, Yutaka Kobayashi | 1993-11-02 |
| 5150325 | Bi-CMOS semiconductor memory device, including improved layout structure and testing method | Kazumasa Yanagisawa, Tatsuyuki Ohta, Tetsu Udagawa, Kyoko Ishii, Hitoshi Miwa +9 more | 1992-09-22 |
| 4476548 | Dynamic type MOS memory device | Kazuhiko Kazigaya | 1984-10-09 |