Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459614 | Non-volatile memory device and refreshing method | Hiroaki Kotani | 2002-10-01 |
| 6452838 | Nonvolatile memory system, semiconductor memory and writing method | Tatsuya Ishii, Osamu Tsuchiya, Shooji Kubono | 2002-09-17 |
| 6392932 | Nonvolatile memory system, semiconductor memory, and writing method | Tatsuya Ishii, Osamu Tsuchiya, Shooji Kubono | 2002-05-21 |
| 6385092 | Nonvolatile memory system, semiconductor memory, and writing method | Tatsuya Ishii, Osamu Tsuchiya, Shooji Kubono | 2002-05-07 |
| 6366495 | Nonvolatile memory device and refreshing method | Hiroaki Kotani | 2002-04-02 |