Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8724348 | Power-supply unit, hard-disk drive, and switching method of the power-supply unit | Akihiko Kanouda, Yosuke Tsuyuki | 2014-05-13 |
| 8654551 | Supply device, and LED lighting equipment using the same | Akihiko Kanouda, Yosuke Tsuyuki | 2014-02-18 |
| 8605464 | Power converter, control method of power converter, and hard disk drive | Akihiko Kanouda, Yosuke Tsuyuki, Hiroyuki Shoji | 2013-12-10 |
| RE43946 | Digital control switching power-supply device and information processing equipment | Yosuke Kawakubo | 2013-01-29 |
| 8305065 | Power supplying apparatus including a pulse-width modulation oscillator and smoothing filters | Akihiko Kanouda, Yosuke Tsuyuki | 2012-11-06 |
| 8199530 | Power supply unit, hard disk drive and method of switching the power supply unit | Akihiko Kanouda, Yosuke Tsuyuki | 2012-06-12 |
| 7990122 | Digital control switching power-supply device and information processing equipment | Yosuke Kawakubo | 2011-08-02 |
| 7759975 | Interface device and information processing system | Fumio Murabayashi, Mutsumi Kikuchi, Atsuo Watanabe, Masatsugu Amishiro, Kenji Tabuchi | 2010-07-20 |
| 7615980 | Marginal check voltage setting means built-in power-supply device | Akihiko Kanouda, Yosuke Kawakubo | 2009-11-10 |
| 7479804 | Interface device and information processing system | Fumio Murabayashi, Mutsumi Kikuchi, Atsuo Watanabe, Masatsugu Amishiro, Kenji Tabuchi | 2009-01-20 |
| 7403365 | Over-current detection circuit and method for power-supply device | Akihiko Kanouda, Yosuke Kawakubo, Kozaburo Kurita | 2008-07-22 |
| 7385380 | Switching power supply | Takuya Ishigaki, Akihiko Kanouda, Koji Tateno, Ryotaro Kudo | 2008-06-10 |
| 7268611 | Semiconductor device and memory card using same | Mutsumi Kikuchi, Noboru Akiyama, Hiroyuki Shoji, Fumio Murabayashi, Akihiko Kanouda +1 more | 2007-09-11 |
| 7170273 | Power-supply device and hard disk drive using same | Akihiko Kanouda, Katsunori Hayashi | 2007-01-30 |
| 7138786 | Power supply driver circuit | Takuya Ishigaki, Akihiko Kanouda, Koji Tateno, Ryotaro Kudo | 2006-11-21 |
| 7109693 | Switching power supply device and switching power supply system | Shinichi Yoshida, Tomohiro Tazawa, Kouji Tateno | 2006-09-19 |
| 7102388 | Interface device and information processing system | Fumio Murabayashi, Mutsumi Kikuchi, Atsuo Watanabe, Masatsugu Amishiro, Kenji Tabuchi | 2006-09-05 |
| 7091711 | Switching power supply device and switching power supply system | Shinichi Yoshida, Tomohiro Tazawa, Kouji Tateno | 2006-08-15 |
| 7088594 | Resonant converter and control method thereof | Akihiko Kanouda, Tetsuya Nagayama, Tadahiko Hashimoto | 2006-08-08 |
| 6979985 | Switching power supply device and switching power supply system | Shinichi Yoshida, Tomohiro Tazawa, Kouji Tateno | 2005-12-27 |
| 6977522 | Interface device and information processing system | Fumio Murabayashi, Mutsumi Kikuchi, Atsuo Watanabe, Masatsugu Amishiro, Kenji Tabuchi | 2005-12-20 |
| 6947514 | Phase-locked loop circuit, information processing apparatus, and information processing system | Kazuo Kato, Takashi Hotta, Hirokazu Aoki, Kozaburo Kurita | 2005-09-20 |
| 6879137 | Power-supply device | Koji Tateno, Akihiko Kanouda, Katsunori Hayashi, Shinichi Yoshida | 2005-04-12 |
| 6798180 | Power-supply device | Koji Tateno, Akihiko Kanouda, Katsunori Hayashi, Shinichi Yoshida | 2004-09-28 |
| 6563200 | Interface device and interface system | Mutsumi Kikuchi, Fumio Murabayashi, Atsuo Watanabe, Masatsugu Amishiro | 2003-05-13 |