Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643193 | Semiconductor device, microcomputer and flash memory | Takashi Yamaki, Kan Takeuchi, Mitsuru Hirakii, Toshihiro Tanaka, Masamichi Fujito | 2003-11-04 |
| 6567313 | Nonvolatile memory, semiconductor device and method of programming to nonvolatile memory | Toshihiro Tanaka, Kazufumi Suzukawa, Masamichi Fujito, Takashi Yamaki, Kiichi Makuta +2 more | 2003-05-20 |
| 6542411 | Nonvolatile memory and semiconductor device with controlled voltage booster circuit | Hiroyuki Tanikawa, Toshihiro Tanaka, Yoshiki Kawajiri, Masamichi Fujito | 2003-04-01 |
| 6519184 | Non-volatile memory device with plurality of threshold voltage distributions | Toshihiro Tanaka, Hiroyuki Tanikawa, Masayoshi Nakano, Norio Oza, Koki Watanabe | 2003-02-11 |