Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12267053 | Differential amplifier, semiconductor device and offset cancellation method | Koichi Takeda, Takahiro SHIMOI, Masaya Nakano, Yoshinobu Kaneda | 2025-04-01 |
| 8446765 | Semiconductor memory device having memory block configuration | Taku Ogura, Tadaaki Yamauchi, Takashi Kubo, Kengo Aritomi | 2013-05-21 |
| 8441880 | Nonvolatile memory, data processing apparatus, and microcomputer application system | Toru Matsushita, Ken Matsubara, Takashi Iwase, Jun Setogawa, Fumiko Yamada | 2013-05-14 |
| 8208303 | Semiconductor memory device having memory block configuration | Taku Ogura, Tadaaki Yamauchi, Takashi Kubo, Kengo Aritomi | 2012-06-26 |
| 8000159 | Semiconductor memory device having memory block configuration | Taku Ogura, Tadaaki Yamauchi, Takashi Kubo, Kengo Aritomi | 2011-08-16 |
| 7782672 | Semiconductor memory device having memory block configuration | Taku Ogura, Tadaaki Yamauchi, Takashi Kubo, Kengo Aritomi | 2010-08-24 |
| 7742334 | Nonvolatile semiconductor memory device for writing multivalued data | Tomoyuki Fujisawa, Hikaru Shibahara, Akihiko Kanda | 2010-06-22 |
| 7652935 | Semiconductor memory device capable of achieving narrower distribution width of threshold voltages of memory cells and method of data write in the same | Tomoya Ogawa, Takashi Ito, Takashi Kono | 2010-01-26 |
| 7518929 | Nonvolatile semiconductor memory device for writing multivalued data | Tomoyuki Fujisawa, Hikaru Shibahara, Akihiko Kanda | 2009-04-14 |
| 7499337 | Method of erasing data in non-volatile semiconductor memory device while suppressing variation | Takashi Ito | 2009-03-03 |
| 7466592 | Semiconductor memory device | Tadaaki Yamauchi, Taku Ogura | 2008-12-16 |
| 7447087 | Semiconductor memory device having memory block configuration | Taku Ogura, Tadaaki Yamauchi, Takashi Kubo, Kengo Aritomi | 2008-11-04 |
| 7339831 | Non-volatile semiconductor memory device allowing efficient programming operation and erasing operation in short period of time | Fumihiko Nitta, Tadaaki Yamauchi, Taku Ogura | 2008-03-04 |
| 7248513 | Semiconductor memory device having memory block configuration | Taku Ogura, Tadaaki Yamauchi, Takashi Kubo, Kengo Aritomi | 2007-07-24 |
| 7242611 | Nonvolatile semiconductor memory device for writing multivalued data | Tomoyuki Fujisawa, Hikaru Shibahara, Akihiko Kanda | 2007-07-10 |
| 7236406 | Method of erasing data in non-volatile semiconductor memory device while suppressing variation | Takashi Ito | 2007-06-26 |
| 7230852 | Non-volatile semiconductor memory device allowing efficient programming operation and erasing operation in short period of time | Fumihiko Nitta, Tadaaki Yamauchi, Taku Ogura | 2007-06-12 |
| 7164602 | Nonvolatile semiconductor memory device including high efficiency and low cost redundant structure | Takeshi Hamamoto, Taku Ogura | 2007-01-16 |
| 7164601 | Multi-level nonvolatile semiconductor memory device utilizing a nonvolatile semiconductor memory device for storing binary data | Tadaaki Yamauchi, Taku Ogura | 2007-01-16 |
| 6999347 | Non-volatile semiconductor memory device with expected value comparison capability | — | 2006-02-14 |
| 6885588 | Nonvolatile semiconductor memory device | — | 2005-04-26 |
| 6633956 | Memory card with task registers storing physical addresses | — | 2003-10-14 |
| 6622196 | Method of controlling semiconductor memory device having memory areas with different capacities | — | 2003-09-16 |
| 6519186 | Non-volatile semiconductor memory device configured to read data at a high speed | Satoru Tamada | 2003-02-11 |
| 6125061 | Semiconductor devices with built-in flash memory capable of easily increasing memory capacity by interconnecting them, and storage device provided with semiconductor device | — | 2000-09-26 |