Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11270981 | Memory device | Mikihiko Ito, Masaru Koyanagi, Masafumi Nakatani, Shinya Okuno, Shigeki Nagasaka +3 more | 2022-03-08 |
| 10811393 | Memory device | Mikihiko Ito, Masaru Koyanagi, Masafumi Nakatani, Shinya Okuno, Shigeki Nagasaka +3 more | 2020-10-20 |
| 8432744 | Semiconductor storage device with a well control circuit | Noriyasu Kumazaki, Daisuke ARIZONO, Mami Kakoi | 2013-04-30 |
| 8331156 | Nonvolatile semiconductor storage device with multiple well regions and a shared bit line | Takamichi Kasai, Yoshiharu Hirata, Kazuaki Isobe | 2012-12-11 |
| 8259493 | Nonvolatile semiconductor storage device and method of testing the same | Hitoshi Ohta, Tomohito Kawano | 2012-09-04 |
| 8169253 | Power circuit including step-up circuit and stabilizing method thereof | Masaaki Kuwagata, Yasuhiko Honda, Gyosho Chin | 2012-05-01 |
| 8094496 | Nonvolatile semiconductor memory device and control method thereof | — | 2012-01-10 |
| 7672164 | Semiconductor integrated circuit device with a stacked gate including a floating gate and a control gate | Takehiro Hasegawa, Koji Sakui, Fumitaka Arai, Ryo Mitani | 2010-03-02 |
| 7577032 | Non-volatile semiconductor memory device | — | 2009-08-18 |
| 7505355 | Semiconductor memory device with MOS transistors each having floating gate and control gate | Kazushige Kanda, Kazuhiko Kakizoe, Yoshiaki Hashiba, Yoshiharu Hirata | 2009-03-17 |
| 7505327 | Method of controlling a semiconductor device by a comparison of times for discharge of bit lines connected to different memory cell arrays | Toshiaki Edahiro | 2009-03-17 |
| 7505324 | Semiconductor memory device with a stacked gate including a floating gate and a control gate | Kazuhiko Kakizoe | 2009-03-17 |
| 7480180 | Semiconductor memory device comprising plural source lines | — | 2009-01-20 |
| 7466610 | Non-volatile semiconductor memory device | Jin Kashiwagi | 2008-12-16 |
| 7447063 | Nonvolatile semiconductor memory device | — | 2008-11-04 |
| 7423910 | Semiconductor device including MOS transistors having floating gate and control gate | — | 2008-09-09 |
| 7376023 | Semiconductor memory device with MOS transistors each having floating gate and control gate and method of controlling the same | — | 2008-05-20 |
| 7332766 | Semiconductor integrated circuit device with a stacked gate including a floating gate and a control gate | Takehiro Hasegawa, Koji Sakui, Fumitaka Arai, Ryo Mitani | 2008-02-19 |
| 7312503 | Semiconductor memory device including MOS transistors each having a floating gate and a control gate | Takehiro Hasegawa | 2007-12-25 |
| 7280407 | Semiconductor memory device including floating gates and control gates, control method for the same, and memory card including the same | Yoshiharu Hirata, Takuya Fujimoto, Yoshiaki Hashiba | 2007-10-09 |
| 7263003 | Two-transistor flash memory device using replica cell array to control the precharge/discharge and sense amplifier circuits of the primary cell array | Toshiaki Edahiro | 2007-08-28 |
| 7245530 | Semiconductor memory device with MOS transistors, each including floating gate and control gate, and memory card including the same | Masaki Ichikawa, Takehiro Hasegawa, Takuya Fujimoto | 2007-07-17 |
| 7233526 | Semiconductor memory device with MOS transistors each having floating gate and control gate | — | 2007-06-19 |
| 7233513 | Semiconductor memory device with MOS transistors each having floating gate and control gate | Masahiro Kamoshida | 2007-06-19 |
| 7212434 | Semiconductor memory device with MOS transistors, each including a floating gate and a control gate, and a memory card including the same | — | 2007-05-01 |