Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9956633 | Wave soldering tank | Akira Takaguchi, Issaku Sato, Noboru Hashimoto | 2018-05-01 |
| 9681231 | Digital/analog conversion apparatus | Akira Yasuda | 2017-06-13 |
| 9276540 | Digital/analogue conversion apparatus | Akira Yasuda | 2016-03-01 |
| 8423165 | Digital/analogue conversion apparatus | Akira Yasuda | 2013-04-16 |
| 8215534 | Wave soldering tank | Akira Takaguchi, Issaku Sato, Noboru Hashimoto | 2012-07-10 |
| 7584434 | System and method of displaying map image | — | 2009-09-01 |
| 7158441 | Semiconductor integrated circuit | — | 2007-01-02 |
| 7129795 | Semiconductor integrated circuit with wiring arrangement for N-stage amplifying | — | 2006-10-31 |
| 7043202 | Frequency modulator apparatus of phase selection type, and frequency synthesizer of phase selection type | Seiichi Ozawa | 2006-05-09 |
| 6911850 | Semiconductor integrated circuit | — | 2005-06-28 |
| 6864734 | Semiconductor integrated circuit | — | 2005-03-08 |
| 6532167 | Voltage generator for semiconductor device | Tetsuya Kaneko | 2003-03-11 |
| 6477079 | Voltage generator for semiconductor device | Tetsuya Kaneko | 2002-11-05 |
| 6381186 | Dynamic random access memory | Tohru Furuyama | 2002-04-30 |
| 6317366 | Dynamic random access memory | Tohru Furuyama | 2001-11-13 |
| 6307796 | Dynamic random access memory | Tohru Furuyama | 2001-10-23 |
| 6181618 | Dynamic type RAM | Tsuneo Inaba, Kenji Tsuchida | 2001-01-30 |
| 6166975 | Dynamic random access memory | Tohru Furuyama | 2000-12-26 |
| 6140805 | Source follower NMOS voltage regulator with PMOS switching element | Tetsuya Kaneko | 2000-10-31 |
| 6101148 | Dynamic random access memory | Tohru Furuyama | 2000-08-08 |
| 5929492 | Contact structure of column gate and data line | — | 1999-07-27 |
| 5894442 | Semiconductor memory device equipped with an equalizing control circuit having a function of latching an equalizing signal | — | 1999-04-13 |
| 5812478 | Semiconductor memory having improved data bus arrangement | — | 1998-09-22 |
| 5740120 | Semiconductor memory having improved data bus arrangement | — | 1998-04-14 |
| 5684321 | Semiconductor device having an input protection circuit | — | 1997-11-04 |