Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8630133 | Memory device | Toshiki Rai | 2014-01-14 |
| 8344766 | Reset circuit of high voltage circuit | Toshiki Rai | 2013-01-01 |
| 8339860 | Semiconductor memory device | Jumpei Maruyama | 2012-12-25 |
| 8072819 | Memory device with parallel interface | Toshiki Rai | 2011-12-06 |
| 7859913 | Semiconductor memory device | Toshiki Rai | 2010-12-28 |
| 7589583 | Charge pump circuit | Toshiki Rai | 2009-09-15 |
| 7542349 | Semiconductor memory device | Toshiki Rai | 2009-06-02 |
| 7451368 | Semiconductor device and method for testing semiconductor device | Sigenori Shibata, Tomofumi Watanabe, Takayuki Suzuki | 2008-11-11 |
| 7259702 | Memory device | Toshiki Rai | 2007-08-21 |
| 6392447 | Sense amplifier with improved sensitivity | Toshiki Rai | 2002-05-21 |
| 6327206 | Semiconductor memory device including serial/parallel conversion circuit | Norihiko Kubota | 2001-12-04 |
| 6061272 | Write control circuit for semiconductor memory device | Kenya Uesugi | 2000-05-09 |
| 6038172 | Memory device with dummy cell transistor | Toshiki Rai | 2000-03-14 |
| 6016284 | Address transition detector for memory device | Toshihiro Itagaki | 2000-01-18 |
| 5986930 | Non-volatile semiconductor memory device | Shigenori Shibata | 1999-11-16 |
| 5982662 | Semiconductor memory device with improved read characteristics for data having multi values | Yasuhiro Kobayashi, Yoh Takano, Noriaki Kojima, Masanori Kajitani | 1999-11-09 |
| 5933366 | Multistate memory device with reference bit lines | — | 1999-08-03 |
| 5844837 | Static memory device including supplemental gate capacitance | — | 1998-12-01 |
| 4246182 | Process for the preparation of omega-hydroxy fatty acids from omega-hydroxy (or acyloxy)-alkyl-.gamma.-butyrolactones | Kiyonori Suzuki, Takeaki Eto, Takeyasu Otsuka, Shozo Abe | 1981-01-20 |
| 4244873 | Omega-hydroxy or acyloxy-alkyl-.gamma.-butyrolactones | Kiyonori Suzuki, Takeaki Eto, Takeyasu Otsuka, Shozo Abe | 1981-01-13 |