Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12348078 | Backup power supply system and moving vehicle | Yuta NAGATOMI, Masafumi Nakamura, Masatoshi Nakase, Kinya Kato | 2025-07-01 |
| 12316232 | Power supply device, ACF converter, and AC adapter | Takeya Okuno, Manabu Yanagihara | 2025-05-27 |
| 12184118 | Backup power supply control system, backup power supply system, and moving vehicle | Masafumi Nakamura, Masatoshi Nakase, Yuta NAGATOMI, Kinya Kato | 2024-12-31 |
| 12074516 | Class-D power converter | Takuya Ishii, Yoshihito Kawakami, Kazuhiro Yahata, Takeshi Azuma, Yoshihisa Minami | 2024-08-27 |
| 11749578 | Semiconductor module, power semiconductor module, and power electronic equipment using the semiconductor module or the power semiconductor module | Koji Takahashi, Kazuhiro Yahata, Yoshihisa Minami, Shinya Miyazaki | 2023-09-05 |
| 7592792 | Power supply | Takashi Ryu, Takuya Ishii, Hiroshi Saito | 2009-09-22 |
| 7550957 | DC-DC converter and control circuit thereof | Takuya Ishii, Makoto Ishimaru, Yoshiyuki Konishi | 2009-06-23 |
| 7541859 | Charge pump circuit | Takuya Ishii, Yoshiyuki Konishi, Makoto Ishimaru | 2009-06-02 |
| 7482789 | Step-up converter | Mikio Motomori, Takuya Ishii, Takashi Ryu, Hirohisa Tanabe, Makoto Ishimaru +1 more | 2009-01-27 |
| 7391199 | DC-DC converter | Takashi Ryu, Takuya Ishii, Mikio Motomori, Hirohisa Tanabe, Makoto Ishimaru +1 more | 2008-06-24 |
| 7294994 | Power supply | Takashi Ryu, Takuya Ishii, Mikio Motomori, Hirohisa Tanabe, Makoto Ishimaru +1 more | 2007-11-13 |
| 7274116 | direct-current power supply and battery-powered electronic apparatus equipped with the power supply | Manabu Inoue, Takuya Ishii, Keiji Akamatsu, Masaaki Kuranuki | 2007-09-25 |
| 7250746 | Current mode switching regulator with predetermined on time | Richard Oswald, Tamotsu Yamamoto, Hiroshi Saito, Takuya Ishii, Takashi Ryu +1 more | 2007-07-31 |
| 7239200 | Power amplifying apparatus | Takuya Ishii, Masaharu Ikeda | 2007-07-03 |
| 7075275 | DC-DC converter | Mikio Motomori, Takuya Ishii, Takashi Ryu, Hirohisa Tanabe, Makoto Ishimaru +1 more | 2006-07-11 |
| 6252782 | Switching power supply utilizing magnetically coupled series inductors | Toshikazu Nagaki | 2001-06-26 |