Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8787089 | Semiconductor device and method of controlling the same | Masaru Yano, Mototada Sakashita | 2014-07-22 |
| 8325523 | Semiconductor device and method of controlling the same | Masaru Yano, Mototada Sakashita | 2012-12-04 |
| 8018767 | Semiconductor device and method of controlling the same | Masaru Yano, Mototada Sakashita | 2011-09-13 |
| 7791961 | Semiconductor device and method for boosting word line | Kazuhiro Kitazaki | 2010-09-07 |
| 7787312 | Semiconductor device and controlling method for the same | Junya Kawamata, Tsutomu Nakai, Hirokazu Nagashima, Kenichi Takehana, Kenji Arai +1 more | 2010-08-31 |
| 7724071 | Voltage boosting device and method for semiconductor device | Akira Okada, Masaru Yano | 2010-05-25 |
| 7525853 | Semiconductor device and method for boosting word line | Kazuhiro Kitazaki | 2009-04-28 |
| 7468909 | Semiconductor device and method of controlling the same | Masaru Yano, Mototada Sakashita | 2008-12-23 |
| 7286407 | Semiconductor device and method for controlling the same | Tsutomu Nakai | 2007-10-23 |
| 7263007 | Semiconductor memory device using read data bus for writing data during high-speed writing | — | 2007-08-28 |
| 7221595 | Semiconductor device and method of generating sense signal | Tsutomu Nakai, Takao Akaogi | 2007-05-22 |
| 7206232 | Semiconductor device and source voltage control method | Shigekazu Yamada, Masaru Yano | 2007-04-17 |
| 6856553 | Flash memory with shortened erasing operation time | Junji Tomita, Takuo Ito | 2005-02-15 |
| 6778448 | Semiconductor memory and output signal control method and circuit in semiconductor memory | — | 2004-08-17 |
| 6751133 | Semiconductor memory which has reduced fluctuation of writing speed | — | 2004-06-15 |
| 6545919 | Semiconductor memory and output signal control method and circuit in semiconductor memory | — | 2003-04-08 |
| 6385112 | Nonvolatile semiconductor memory device with reliable verify operation | — | 2002-05-07 |
| 6373750 | Non-volatile memory which performs erasure in a short time | — | 2002-04-16 |
| 6301156 | Nonvolatile semiconductor memory device | — | 2001-10-09 |
| 6160736 | Memory circuit for changing boost ratio | — | 2000-12-12 |
| 5903501 | Semiconductor device with 3V/5V tolerant output driver | — | 1999-05-11 |
| 5241225 | Level conversion circuit having improved control and speed of switching from high to low level converter outputs | Yoshinori Okajima | 1993-08-31 |