Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542411 | Nonvolatile memory and semiconductor device with controlled voltage booster circuit | Toshihiro Tanaka, Yutaka Shinagawa, Yoshiki Kawajiri, Masamichi Fujito | 2003-04-01 |
| 6519184 | Non-volatile memory device with plurality of threshold voltage distributions | Toshihiro Tanaka, Masayoshi Nakano, Norio Oza, Koki Watanabe, Yutaka Shinagawa | 2003-02-11 |