Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10978253 | Capacitor device | Makoto Shimizu | 2021-04-13 |
| 8414004 | Spring seat and mounting structure for spring seat | — | 2013-04-09 |
| 8286980 | Trailing arm type suspension | Kensuke Ohkubo | 2012-10-16 |
| 7157810 | Backup power supply | Akihiko Kanouda, Satoru Masuyama, Masato Isogai, Ryouhei Saga, Norikazu Tokunaga | 2007-01-02 |
| 7158392 | Switching power supply device and the semiconductor integrated circuit for power supply control | Kyoichi Hosokawa, Yoichi Uehara, Ryotaro Kudo, Shinichi Yoshida | 2007-01-02 |
| 7053502 | Power supply with uninterruptible function | Nobuyuki Aihara, Takeshi Onaka, Norikazu Tokunaga, Satoru Masuyama, Shigekazu Zemba | 2006-05-30 |
| 6977448 | Backup power supply | Akihiko Kanouda, Satoru Masuyama, Masato Isogai, Ryouhei Saga, Norikazu Tokunaga | 2005-12-20 |
| 6795322 | Power supply with uninterruptible function | Nobuyuki Aihara, Takeshi Onaka, Norikazu Tokunaga, Satoru Masuyama, Shigekazu Zemba | 2004-09-21 |
| 6643152 | DC power supply device | Norikazu Tokunaga, Takeshi Onaka, Satoru Masuyama, Ryouhei Saga, Katsunori Hayashi | 2003-11-04 |
| 6603671 | Synchronized rectifier voltage step down DC-DC converter and control circuit therefor | Norikazu Tokunaga, Takeshi Onaka, Ryouhei Saga, Akihiko Kanouda | 2003-08-05 |
| 6580597 | Voltage regulator module for micro processor and CPO using a super capacitor | Akihiko Kanouda, Norikazu Tokunaga, Mikiya Nohara, Ryouhei Saga, Morinobu Endo | 2003-06-17 |
| 6567261 | DC-DC step-down converter with super capacitor | Akihiko Kanouda, Norikazu Tokunaga, Mikiya Nohara, Ryouhei Saga, Morinobu Endo | 2003-05-20 |
| 6507507 | DC power supply device | Norikazu Tokunaga, Takeshi Onaka, Satoru Masuyama, Ryouhei Saga, Katsunori Hayashi | 2003-01-14 |
| 6496395 | Direct-current power-supply apparatus, control circuit thereof and semiconductor integrated circuit device for power supply | Norikazu Tokunaga, Tadashi Takahashi, Takeshi Onaka, Ryohei Saga, Katsunori Hayashi | 2002-12-17 |
| 6489756 | DC-DC converter with switchable control mode | Akihiko Kanouda, Norikazu Tokunaga, Ryouhei Saga | 2002-12-03 |
| 6381152 | Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device | Tadashi Takahashi, Norikazu Tokunaga, Takeshi Onaka, Ryouhei Saga, Katsunori Hayashi | 2002-04-30 |
| 6028779 | Power inverter device | Kiyoshi Sakamoto, Takashi Ikimi, Masahiro Tobise | 2000-02-22 |
| 5768117 | Power supply system for supplying electric power to a load through plural converters | Tadashi Takahashi, Akihiko Kanouda, Masayoshi Sato, Hideaki Horie, Katsunori Hayashi | 1998-06-16 |
| 5638264 | Parallelized power supply system providing uninterrupted operation | Katsunori Hayashi, Akihiko Kanouda, Tadashi Takahashi, Hideaki Horie, Yasuo Abe +1 more | 1997-06-10 |
| 5559682 | Multi-output DC-DC convertor | Akihiko Kanouda, Tadashi Takahashi, Hideaki Horie, Syuya Hagiwara | 1996-09-24 |
| 5502430 | Flat transformer and power supply unit having flat transformer | Tadashi Takahashi, Akihiko Kanouda, Hideaki Horie, Syuya Hagiwara, Noriyuki Uchiyama +1 more | 1996-03-26 |
| 5412558 | Semiconductor integrated circuit unit | Naoki Sakurai, Mutsuhiro Mori, Hidetoshi Arakawa, Hideki Miyazaki, Akihiko Kanouda | 1995-05-02 |
| 5384516 | Information processing apparatus including a control circuit for controlling a liquid crystal display illumination based on whether illuminatio power is being supplied from an AC power source or from a battery | Kenji Kawabata, Soichiro Ogawa, Susumu Iijima, Kunio Seki, Hirotaka Mochizuki +3 more | 1995-01-24 |
| 5345374 | Power source for supplying DC voltage by converting AC voltage from AC source | Masayoshi Sato | 1994-09-06 |
| 5297015 | Power supply control system | Hideki Miyazaki, Ikuo Yamato, Yasuo Matsuda, Yuzo Morita, Hidefumi Shirahama +2 more | 1994-03-22 |