Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8873325 | Semiconductor device performing refresh operation | Toru Ishikawa | 2014-10-28 |
| 8773870 | Power converter and method for controlling same | Takayuki Fujita | 2014-07-08 |
| 8711589 | Direct converting apparatus, method for controlling the same, and control signal generation device | — | 2014-04-29 |
| 8659917 | Direct-type converting apparatus and method for controlling the same | — | 2014-02-25 |
| 8520419 | Current controlled power converter | — | 2013-08-27 |
| 8450961 | Power converting apparatus | — | 2013-05-28 |
| 8395918 | Method of and apparatus for controlling three-level converter using command values | — | 2013-03-12 |
| 8374005 | Direct AC power converting apparatus | — | 2013-02-12 |
| 8310848 | Direct AC power converting apparatus | — | 2012-11-13 |
| 8279639 | Direct AC power converting apparatus | — | 2012-10-02 |
| 8270186 | Power conversion device | — | 2012-09-18 |
| 8264859 | Direct power converting apparatus | — | 2012-09-11 |
| 8144492 | Current controlled power converter | — | 2012-03-27 |
| 8098035 | Motor control unit | Morimitsu Sekimoto, Hitoshi Haga, Abdallah Mechi, Reiji Kawashima, Toshiyuki Maeda | 2012-01-17 |
| 8030661 | Power conversion apparatus | Morimitsu Sekimoto, Hitoshi Haga, Reiji Kawashima, Abdallah Mechi, Toshiyuki Maeda | 2011-10-04 |
| 7944717 | Power converter apparatus and power converter apparatus control method | — | 2011-05-17 |
| 7907427 | Inverter | Hitoshi Haga | 2011-03-15 |
| 7898829 | Rectifier circuit and three-phase rectifier device | Kuniomi Oguchi | 2011-03-01 |
| 7881087 | Matrix converter and control method for the matrix converter | — | 2011-02-01 |
| 7830683 | Current control type converter | — | 2010-11-09 |
| 7764548 | Semiconductor memory device which delays refreshment signal for performing self-refreshment | — | 2010-07-27 |
| 7187566 | Three-phase rectifier | Reiji Kawashima, Sumio Kagimura, Isao Tanatsugu | 2007-03-06 |
| 6735144 | Semiconductor integrated circuit device | Taketo Maesako, Kouki Yamamoto, Yoshinori Matsui | 2004-05-11 |
| 6453400 | Semiconductor integrated circuit device | Taketo Maesako, Kouki Yamamoto, Yoshinori Matsui | 2002-09-17 |
| 6377501 | Semiconductor integrated circuit device | Taketo Maesako, Kouki Yamamoto, Yoshinori Matsui | 2002-04-23 |