Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9093168 | Nonvolatile latch circuit and memory device | — | 2015-07-28 |
| 8767504 | Activate signal generating circuit and semiconductor memory device | — | 2014-07-01 |
| 8665628 | Ferroelectric memory device | — | 2014-03-04 |
| 8542041 | Semiconductor device and system | Mitsuhiro Ogai, Hirokazu Yamazaki, Keizo Morita, Kazuaki Yamane, Yasuhiro Fujii +1 more | 2013-09-24 |
| 7729181 | Semiconductor storage device using a bitline GND sensing scheme for a reduced real estate of pre-sense amplifier | Keizo Morita | 2010-06-01 |
| 7525846 | Memory device | Keizo Morita | 2009-04-28 |
| 7483287 | Semiconductor memory | Isao Fukushi, Keizo Morita | 2009-01-27 |
| 7227769 | Semiconductor memory | Isao Fukushi, Keizo Morita | 2007-06-05 |
| 7212430 | Semiconductor memory | Isao Fukushi | 2007-05-01 |
| 7012829 | Ferroelectric memory and data reading method for same | Toru Endo, Tomohisa Hirayama | 2006-03-14 |
| 6836426 | Semiconductor memory device with proper sensing timing | Isao Fukushi | 2004-12-28 |
| 6707703 | Negative voltage generating circuit | — | 2004-03-16 |
| 6687151 | Voltage generation circuit for selectively generating high and negative voltages on one node | Toru Endo | 2004-02-03 |
| 6661697 | Data read-out circuit, data read-out method, and data storage device | Akira Yamamoto | 2003-12-09 |
| 6538915 | Semiconductor integrated circuit device | Toru Endo | 2003-03-25 |
| 6487130 | Semiconductor integrated circuit device | Toru Endo | 2002-11-26 |
| 6487103 | Data read-out circuit, data read-out method, and data storage device | Akira Yamamoto | 2002-11-26 |
| 6292408 | Semiconductor memory device and a semiconductor integrated circuit | Toshihiko Mori, Makoto Hamaminato | 2001-09-18 |
| 6292418 | Semiconductor memory device | Isao Fukushi | 2001-09-18 |
| 6061276 | Semiconductor memory device and a semiconductor integrated circuit | Toshihiko Mori, Makoto Hamaminato | 2000-05-09 |
| 5936881 | Semiconductor memory device | Ryuhei Sasagawa, Makoto Hamaminato | 1999-08-10 |
| 5740102 | Data retention circuit and semiconductor memory device using the same | — | 1998-04-14 |
| 5699305 | Amplifier and semiconductor memory device having the same | — | 1997-12-16 |
| 5684320 | Semiconductor device having transistor pair | — | 1997-11-04 |
| 5600588 | Data retention circuit and semiconductor memory device using the same | — | 1997-02-04 |