Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466484 | Nonvolatile semiconductor memory device capable of suppressing reduction of bit line potential in write-back operation and erase method | Kiyohiko Sakakibara, Susumu Takeuchi, Makoto Yamamoto, Kunio Tani, Yukio Nakamoto | 2002-10-15 |
| 6459640 | Nonvolatile semiconductor memory and automatic erasing/writing method thereof | Kunio Tani, Tetsu Tashiro, Katsunobu Hongo, Tsutomu Tanaka, Mikio Kamiya +2 more | 2002-10-01 |
| 6356480 | Nonvolatile semiconductor memory device capable of suppressing reduction of bit line potential in write-back operation and erase method | Kiyohiko Sakakibara, Susumu Takeuchi, Makoto Yamamoto, Kunio Tani, Yukio Nakamoto | 2002-03-12 |