Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416935 | Control device and power conversion system | Tomoya KATSUKURA, Yoshihiro TAWADA, Issei FUKASAWA | 2025-09-16 |
| 12388082 | Positive electrode active material for non-aqueous electrolyte secondary battery and method for producing same | Miki Mizawa, Kaoru Nagata, Masanori Maekawa | 2025-08-12 |
| 12301132 | Multiple power conversion system | Issei FUKASAWA | 2025-05-13 |
| 12244009 | Non-aqueous electrolyte rechargeable battery | Yasunobu Kawamoto | 2025-03-04 |
| 12166430 | Electric power conversion apparatus and electric power conversion system | Masakazu Okayasu, Issei FUKASAWA | 2024-12-10 |
| 12051983 | Power conversion system having a plurality of power conversion devices connected in parallel | Hiroyoshi Komatsu | 2024-07-30 |
| 12046991 | Multiplex power conversion system having means to prevent failure spread | Issei FUKASAWA | 2024-07-23 |
| 12040695 | Power conversion device and method for manufacturing the same | Naoya Shibata, Issei FUKASAWA | 2024-07-16 |
| 11942874 | Control system of power converter | Issei FUKASAWA, Kenta Yamabe | 2024-03-26 |
| 11817774 | Control device for power converter | Issei FUKASAWA | 2023-11-14 |
| 11811059 | Nonaqueous electrolyte secondary battery | Kaoru Nagata | 2023-11-07 |
| 11658295 | Positive electrode active material for non-aqueous electrolyte secondary battery and method for producing same | Miki Mizawa, Kaoru Nagata, Masanori Maekawa | 2023-05-23 |
| 11289999 | Power conversion device and power conversion system | Yoshihiro TAWADA, Tsuguhiro Tanaka | 2022-03-29 |
| 11277007 | Power conversion device, power system and method of suppressing reactive power in power system | Katsuya Umeda, Tsuguhiro Tanaka | 2022-03-15 |
| 11177647 | Ground fault detector and power conditioner with input-side ground fault detection | Tomoya KATSUKURA, Tomonori Ujiie | 2021-11-16 |
| 11018495 | Control device for electric power conversion apparatus | Yoshihiro TAWADA, Ruben Alexis Inzunza Figueroa, Tatsuaki Ambo | 2021-05-25 |
| 10666160 | Power conversion device and method for operating same with reactive power compensation | Tsuguhiro Tanaka, Tatsuaki Ambo | 2020-05-26 |
| 10581311 | Power conversion device including overcurrent detection with reduced delay | Naoya Shibata | 2020-03-03 |
| 10461576 | Uninterruptible power supply apparatus | Masaru Toyoda | 2019-10-29 |
| 10340730 | Uninterruptible power supply apparatus | Masaru Toyoda | 2019-07-02 |
| 10263457 | Uninterruptible power supply device and uninterruptible power supply system using the same | Kazuki Nishimura, Hiroshi Masunaga | 2019-04-16 |
| 10153114 | Electronic-device seal structure and electromagnetic relay using said electronic-device seal structure | Kazuhiro Tsutsui, Ayaka MIYAKE, Jun Sasaki, Keisuke Tsuji | 2018-12-11 |
| 10116228 | Converter and power conversion device manufactured using the same | Keisuke Ohnishi, Kimiyuki Koyanagi | 2018-10-30 |
| 10050469 | Uninterruptible power supply device and uninterruptible power supply system using the same | Kazuki Nishimura, Hiroshi Masunaga | 2018-08-14 |
| 10044286 | Power conversion system including plurality of power converters connected in parallel to load | Shoichi Abe | 2018-08-07 |