Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744692 | Memory system's improvement in efficiency of data process between host, buffer memory and nonvolatile memory | Hiroyuki Goto, Hirofumi Shibuya, Fumio Hara, Yasuhiro Nakamura | 2004-06-01 |
| 6728138 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Masashi Naito | 2004-04-27 |
| 6725322 | Memory card, method for allotting logical address, and method for writing data | Atsushi Shiraishi, Manabu Inoue, Yosuke Yukawa, Yuichiro Onuki, Takeshi Suzuki +1 more | 2004-04-20 |
| 6701471 | External storage device and memory access control method thereof | Takayuki Tamura, Kunihiro Katayama, Masashi Naito | 2004-03-02 |
| 6694460 | Semiconductor memory device having deterioration determining function | Kunihiro Katayama, Takayuki Tamura, Masashi Naito | 2004-02-17 |