Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496412 | Nonvolatile semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2002-12-17 |
| 6487122 | Multi-value semiconductor memory device with write verify circuit | Tomoharu Tanaka | 2002-11-26 |
| 6426892 | Nonvolatile semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2002-07-30 |
| 6418052 | Nonvolatile semiconductor memory equipped with data latch circuits for transferring one-bit data or multi-bit data | Tomoharu Tanaka, Hiroto Nakai, Toshio Yamamura, Susumu Fujimura | 2002-07-09 |
| 6377485 | Multi-value semiconductor memory device and reading method thereof | Tomoharu Tanaka | 2002-04-23 |
| 6373746 | Nonvolatile semiconductor memory having plural data storage portions for a bit line connected to memory cells | Ken Takeuchi, Tomoharu Tanaka | 2002-04-16 |