Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12273759 | Communication system, base station and communication terminal device | Toshiki Tanaka, Mitsuru Mochizuki, Kuniyuki Suzuki | 2025-04-08 |
| 11152870 | Power conversion device | Kimihisa Furukawa, Akihiko Kanouda, Yuuichi MABUCHI, Takae Shimada, Mitsuhiro KADOTA +1 more | 2021-10-19 |
| 10952089 | Communication system | Toshiki Tanaka, Mitsuru Mochizuki, Kuniyuki Suzuki | 2021-03-16 |
| 10541549 | Power supply apparatus | Fumihiro Sato, Takae Shimada, Takuya Ishigaki, Takayuki Ouchi, Naoya Takahashi +1 more | 2020-01-21 |
| 10461553 | Power source device | Takae Shimada, Takayuki Oouchi, Fumihiro Sato, Kenji Kubo, Eigo Kishimoto | 2019-10-29 |
| 10333398 | Charging apparatus | Naoya Takahashi, Takae Shimada | 2019-06-25 |
| 9595841 | DC-DC converter, secondary battery charge and discharge system, and method of controlling DC-DC converter | Takae Shimada, Kimiaki Taniguchi, Kuniyoshi Watanabe | 2017-03-14 |
| 9025345 | Power supply apparatus | Takae Shimada, Kimiaki Taniguchi | 2015-05-05 |
| 8810135 | LED drive circuit, LED illumination component, LED illumination device, and LED illumination system | Yasuhiro Maruyama, Mitsuru Mariyama, Masakazu Ikeda, Hirohisa Warita, Katsumi Inaba +1 more | 2014-08-19 |
| 8643301 | LED driver circuit and LED lighting device using the same | Atsushi Kanamori, Takayuki Shimizu, Hirohisa Warita | 2014-02-04 |
| 8629661 | Bidirectional DC-DC converter and control method thereof | Takae Shimada, Kimiaki Taniguchi | 2014-01-14 |
| 8614568 | Gate drive circuit of the voltage drive type semiconductor element and power converter | Junpei Uruno, Masayuki Isogai | 2013-12-24 |
| 8605464 | Power converter, control method of power converter, and hard disk drive | Takashi Sase, Akihiko Kanouda, Yosuke Tsuyuki | 2013-12-10 |
| 8513823 | Semiconductor package having main stamp and sub-stamp | — | 2013-08-20 |
| 8378646 | Bidirectional dc-dc converter and control method thereof | Takae Shimada, Kimiaki Taniguchi | 2013-02-19 |
| 8258706 | LED drive circuit, LED illumination component, LED illumination device, and LED illumination system | Yasuhiro Maruyama, Mitsuru Mariyama, Masakazu Ikeda, Hirohisa Warita, Katsumi Inaba +1 more | 2012-09-04 |
| 8207717 | Buck-boost DC-DC converter with auxiliary inductors for zero current switching | Junpei Uruno, Yasuo Kaminaga, Akihiko Kanouda | 2012-06-26 |
| 8203322 | DC-DC converter | Toshikazu Okubo, Takae Shimada, Junpei Uruno | 2012-06-19 |
| 8203855 | Complex inductor and power supply unit | Takae Shimada, Kimiaki Taniguchi | 2012-06-19 |
| 8198834 | LED drive circuit | Yasuhiro Maruyama | 2012-06-12 |
| 8130515 | Bi-directional DC-DC converter and method for controlling the same | Takae Shimada, Yoshihide Takahashi, Kimiaki Taniguchi | 2012-03-06 |
| 8035754 | Receiver apparatus and information recording/outputting apparatus | Yoshikazu Suga, Kouichi Aoto | 2011-10-11 |
| 7936573 | Bi-directional DC-DC converter and control method | Tatsumi Yamauchi, Seigou Yukutake, Toshikazu Okubo | 2011-05-03 |
| 7911810 | Bi-directional DC-DC converter and method for controlling the same | Takae Shimada, Yoshihide Takahashi, Kimiaki Taniguchi | 2011-03-22 |
| 7907962 | Radio communications system, base station apparatus and method of transmission power control | — | 2011-03-15 |