Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657891 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2003-12-02 |
| 6650578 | Semiconductor storage device and setting method thereof | Masatsugu Kojima, Tomoharu Tanaka | 2003-11-18 |
| 6611938 | Flash memory | Tomoharu Tanaka, Toru Tanzawa | 2003-08-26 |
| 6600676 | Nonvolatile semiconductor memory device with a ROM block settable in the write or erase inhibit mode | Tomoharu Tanaka | 2003-07-29 |
| 6552930 | Semiconductor memory device and storage method thereof | Tomoharu Tanaka | 2003-04-22 |