Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506804 | Dynamic Random Access Type Semiconductor Device | Kazumasa Yanagisawa, Tatsuyuki Ohta, Tetsu Udagawa, Hitoshi Miwa, Atsushi Nozoe +9 more | 1996-04-09 |
| 5440521 | Semiconductor integrated circuit device | Manabu Tsunozaki, Koichi Nozaki, Hiroshi Yoshioka, Yoshihisa Koyama, Shinji Udo +4 more | 1995-08-08 |
| 5426616 | Semiconductor IC device having a voltage conversion circuit which generates an internal supply voltage having value compensated for external supply voltage variations | Kazuhiko Kajigaya, Tetsu Udagawa, Manabu Tsunozaki, Kazuyoshi Oshima, Masashi Horiguchi +4 more | 1995-06-20 |
| 5335203 | Semiconductor integrated circuit device with internal voltage drop circuits | Shinichi Miyatake, Tsutomu Takahashi, Shinji Udo, Hiroshi Yoshioka, Mitsuhiro Takano +1 more | 1994-08-02 |
| 5276648 | Testing method for a semiconductor memory device | Kazumasa Yanagisawa, Tatsuyuki Ohta, Tetsu Udagawa, Hitoshi Miwa, Atsushi Nozoe +9 more | 1994-01-04 |
| 5150325 | Bi-CMOS semiconductor memory device, including improved layout structure and testing method | Kazumasa Yanagisawa, Tatsuyuki Ohta, Tetsu Udagawa, Hitoshi Miwa, Atsushi Nozoe +9 more | 1992-09-22 |
| 4807190 | Semiconductor integrated circuit device | Kazumasa Yanagisawa, Masaya Muranaka | 1989-02-21 |