Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 6542405 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Masashi Naito | 2003-04-01 |
| 6535422 | Nonvolatile memory system | Hiroyuki Goto, Takayuki Tamura, Hirofumi Shibuya, Yasuhiro Nakamura | 2003-03-18 |
| 6388920 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Masashi Naito | 2002-05-14 |
| 6317371 | Storage device with an error correction unit and an improved arrangement for accessing and transferring blocks of data stored in a non-volatile semiconductor memory | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Masashi Naito | 2001-11-13 |
| 6236601 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Masashi Naito | 2001-05-22 |
| 6223311 | Semiconductor memory device having deterioration determining function | Kunihiro Katayama, Takayuki Tamura, Masashi Naito | 2001-04-24 |
| 6199187 | External storage device and memory access control method thereof | Takayuki Tamura, Kunihiro Katayama, Masashi Naito | 2001-03-06 |
| 6031758 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Masashi Naito | 2000-02-29 |
| 5978941 | Semiconductor memory device having deterioration determining function | Kunihiro Katayama, Takayuki Tamura, Masashi Naito | 1999-11-02 |
| 5732208 | External storage device and memory access control method thereof | Takayuki Tamura, Kunihiro Katayama, Masashi Naito | 1998-03-24 |
| 5666210 | Document communication apparatus and document communication system | Norifumi Yanai, Kouzou Nakamura, Mariko Okude | 1997-09-09 |