Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8644069 | Semiconductor memory device | — | 2014-02-04 |
| 8451648 | Resistance-change memory and method of operating the same | Katsuaki SAKURAI, Takahiko Sasaki | 2013-05-28 |
| 7439782 | Semiconductor integrated circuit device with power-on reset circuit for detecting the operating state of an analog circuit | — | 2008-10-21 |
| 7233513 | Semiconductor memory device with MOS transistors each having floating gate and control gate | Akira Umezawa | 2007-06-19 |
| 7193260 | Ferroelectric memory device | Daisaburo Takashima | 2007-03-20 |
| 7016215 | Ferroelectric memory device with a spare memory cell array | Daisaburo Takashima | 2006-03-21 |
| 6950361 | Nonvolatile semiconductor memory device using ferroelectric capacitor | Daisaburo Takashima | 2005-09-27 |
| 6885598 | Shared sense amplifier scheme semiconductor memory device and method of testing the same | Daisaburo Takashima | 2005-04-26 |
| 6473865 | Apparatus comprising clock control circuit, method of controlling clock signal and device using internal clock signal synchronized to external clock signal | Haruki Toda, Tsuneaki Fuse, Yukihito Oowaki | 2002-10-29 |
| 6393080 | Apparatus comprising clock control circuit and device using internal clock signal synchronized to external clock signal | Haruki Toda, Tsuneaki Fuse, Yukihito Oowaki | 2002-05-21 |
| 6388484 | Clock control circuit | Haruki Toda, Tsuneaki Fuse, Yukihito Oowaki | 2002-05-14 |
| 6313676 | Synchronous type semiconductor integrated circuit having a delay monitor controlled by a delay control signal obtained in a delay measuring mode | Katsumi Abe, Shigeo Ohshima | 2001-11-06 |
| 6292411 | Delay control circuit synchronous with clock signal | Hironobu Akita | 2001-09-18 |
| 6292412 | Clock control circuit | Koji Kato, Shigeo Ohshima, Hiroyuki Ohtake | 2001-09-18 |
| 6198690 | Clock control circuit with an input stop circuit | Koji Kato, Shigeo Ohshima | 2001-03-06 |
| 6084453 | Clock converting circuit | Tsuneaki Fuse, Haruki Toda, Yukihito Oowaki | 2000-07-04 |