Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6724668 | Semiconductor device provided with memory chips | Ryuji Ohmura, Kazushi Sugiura | 2004-04-20 |
| 6713437 | Pressure heat treatment apparatus employed for preparing oxide superconducting wire | Tetsuyuki Kaneko, Ryosuke Hata | 2004-03-30 |
| 6697910 | Semiconductor memory device having refresh circuit | Masaki Tsukude, Hirotoshi Sato | 2004-02-24 |