Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7965568 | Semiconductor integrated circuit device and method of testing same | Kenichi Ushikoshi, Nobutoshi Tsunesada, Tsuyoshi Hirakawa | 2011-06-21 |
| 7937633 | Semiconductor device using logic chip | Kouji Takasugi, Nobutoshi Tsunesada, Kazunori Yamane | 2011-05-03 |
| 7006401 | Semiconductor storage device and refresh control method thereof | Hiroyuki Takahashi, Takuya Hirota, Atsushi Nakagawa, Susumu Takano, Masahiro Yoshida +2 more | 2006-02-28 |
| 6944081 | Semiconductor storage and its refreshing method | Hiroyuki Takahashi, Atsushi Nakagawa, Yoshiyuki Katou, Hideo Inaba, Takuya Hirota +1 more | 2005-09-13 |
| 6363027 | Semiconductor memory device | — | 2002-03-26 |
| 6084793 | Single-chip read-only memory (ROM) system | — | 2000-07-04 |
| 5999018 | Programmable buffer circuit comprising reduced number of transistors | — | 1999-12-07 |