Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12418180 | Power distribution system | Takahiro Ohori, Tatsuo Koga, Kazuya Ohshima, Keita Kanamori | 2025-09-16 |
| 12235306 | Arc detection device, arc detection system, arc detection method, and recording medium | Tatsuo Koga, Takahiro Ohori, Keita Kanamori, Kazuya Ohshima | 2025-02-25 |
| 12149062 | Arc detection device, indoor power line system, solar power generation system, and storage battery system | Tatsuo Koga, Keita Kanamori | 2024-11-19 |
| 12100563 | Arc detection system, arc detection method, and recording medium | Tatsuo Koga, Takahiro Ohori | 2024-09-24 |
| 12088080 | Arc detection device, solar inverter, indoor wiring system, breaker, solar panel, solar panel-attached module, and junction box | Kazuya Ohshima, Tatsuo Koga, Keita Kanamori | 2024-09-10 |
| 11923670 | ARC detection device, solar inverter, indoor wiring system, circuit breaker, solar panel, solar panel attachment module, and junction box | Tatsuo Koga, Keita Kanamori | 2024-03-05 |
| 11451163 | Power converter | Kenji Hanamura | 2022-09-20 |
| 10693383 | Power conversion device | — | 2020-06-23 |
| 10536029 | Power conversion system and connector | Hideki Tamura, Takuya Kagawa | 2020-01-14 |
| 9893648 | Power converting device, and power conditioner using same | Mariko KIFUJI, Mitsuru Tanabe, Kazuo Itoh | 2018-02-13 |
| 9876389 | Power control system and solar power generation system | Yuuki Ogawa | 2018-01-23 |
| 9866147 | Power-converting device and power conditioner using the same | Mitsuru Tanabe, Mariko KIFUJI | 2018-01-09 |
| 9831778 | Power-converting device and power conditioner using the same | Mariko KIFUJI | 2017-11-28 |
| 9806618 | Power converting device and power conditioner using the same | Mariko KIFUJI | 2017-10-31 |
| 9762127 | Power converter and power conditioner | Hideki Tamura, Jin YOSHIZAWA | 2017-09-12 |
| 9654015 | Bidirectional DC/DC converter, and bidirectional power converter | Jin YOSHIZAWA | 2017-05-16 |
| 9647399 | Connector for electrical connection | Takuya Kagawa, Hideki Tamura | 2017-05-09 |
| 9515577 | Power conversion device | Hideki Tamura, Ichirou Katou | 2016-12-06 |
| 9479079 | Control method for inverter device, and inverter device | Mariko Nishi | 2016-10-25 |
| 9236764 | DC power supply system | Takuya Kagawa, Hideki Tamura, Hiroyuki Nishino, Mariko Nishi | 2016-01-12 |
| 9184662 | Electric power supply apparatus | Hiroyuki Nishino, Mariko Nishi | 2015-11-10 |
| 9178430 | DC/DC converter | Hideki Tamura, Hiroaki Koshin | 2015-11-03 |
| 7867141 | Physical activity measuring system | Yoshihiro Matsumura, Matsuki Yamamoto, Hideki Nakamura, Yasuko Yamamoto, Junji Ikeda +2 more | 2011-01-11 |
| 6281642 | Ballast for a discharge lamp with false deactivation detection | Hirofumi Konishi, Toshiaki Nakamura | 2001-08-28 |
| 6208088 | Method and ballast for starting a discharge lamp | Hirofumi Konishi, Toshiaki Nakamura | 2001-03-27 |