Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506804 | Dynamic Random Access Type Semiconductor Device | Kazumasa Yanagisawa, Tatsuyuki Ohta, Tetsu Udagawa, Kyoko Ishii, Hitoshi Miwa +9 more | 1996-04-09 |
| 5276648 | Testing method for a semiconductor memory device | Kazumasa Yanagisawa, Tatsuyuki Ohta, Tetsu Udagawa, Kyoko Ishii, Hitoshi Miwa +9 more | 1994-01-04 |
| 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 |
| 4941128 | Semiconductor memory device having means for providing a precharge voltage equivalent to a prescribed selection voltage | Shouji Wada, Nobuo Komatsu, Mitsuhiro Takano, Sinichi Miyatake, Kazuo Mihashi | 1990-07-10 |