Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7057230 | Nonvolatile semiconductor memory device employing transistors having different gate withstand voltages for enhanced reading speed | Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Kazufumi Suzukawa +6 more | 2006-06-06 |
| 6963507 | Nonvolatile memory, semiconductor device, and method of programming to nonvolatile memory | Toshihiro Tanaka, Yutaka Shinagawa, Kazufumi Suzukawa, Takashi Yamaki, Kiichi Makuta +2 more | 2005-11-08 |
| 6643193 | Semiconductor device, microcomputer and flash memory | Takashi Yamaki, Kan Takeuchi, Mitsuru Hirakii, Toshihiro Tanaka, Yutaka Shinagawa | 2003-11-04 |
| 6567313 | Nonvolatile memory, semiconductor device and method of programming to nonvolatile memory | Toshihiro Tanaka, Yutaka Shinagawa, Kazufumi Suzukawa, Takashi Yamaki, Kiichi Makuta +2 more | 2003-05-20 |
| 6542411 | Nonvolatile memory and semiconductor device with controlled voltage booster circuit | Hiroyuki Tanikawa, Toshihiro Tanaka, Yutaka Shinagawa, Yoshiki Kawajiri | 2003-04-01 |
| 6480418 | Semiconductor non-volatile storage | Toshihiro Tanaka, Yutaka Shinagawa, Kazuyoshi Shiba, Kazufumi Suzukawa, Takayuki Oshima +2 more | 2002-11-12 |
| 6477090 | Semiconductor device, microcomputer and flash memory | Takashi Yamaki, Kan Takeuchi, Mitsuru Hiraki, Toshihiro Tanaka, Yutaka Shinagawa | 2002-11-05 |
| 6307780 | Semiconductor non-volatile storage | Toshihiro Tanaka, Yutaka Shinagawa, Kazuyoshi Shiba, Kazufumi Suzukawa, Takayuki Oshima +2 more | 2001-10-23 |
| 6122196 | Semiconductor non-volatile storage device capable of a high speed reading operation | Toshihiro Tanaka, Yutaka Shinagawa, Kazuyoshi Shiba, Kazufumi Suzukawa, Takayuki Oshima +2 more | 2000-09-19 |