Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7697320 | Semiconductor memory device | Akira Masuo, Norihiko Sumitani, Tsuyoshi Koike | 2010-04-13 |
| 7301793 | Semiconductor memory device | Hidenari Kanehara, Norihiko Sumitani | 2007-11-27 |
| 7277342 | Semiconductor memory having dummy bit line precharge/discharge circuit | Norihiko Sumitani | 2007-10-02 |
| 7136297 | Semiconductor memory device | Hidenari Kanehara, Norihiko Sumitani | 2006-11-14 |
| 7054211 | Semiconductor memory storage device capable of high operating speed | Hidenari Kanehara, Norihiko Sumitani | 2006-05-30 |
| 6982899 | Semiconductor memory device | Norihiko Sumitani, Shigeo Houmura, Youji Nakai, Hidenari Kanehara | 2006-01-03 |