Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12407166 | Distributed power supply management device | Koki Matsumoto | 2025-09-02 |
| 12328006 | Power convertor | Koki Matsumoto | 2025-06-10 |
| 12224658 | Power conversion device | Koki Matsumoto | 2025-02-11 |
| 12212141 | Grid system and control device of grid system | Yuki ITOGAWA, Tomihiro Takano, Keishi MATSUDA, Xiaowei Dui | 2025-01-28 |
| 12176717 | Grid system, control device, control method for grid system, and power conversion device | Takahiro Kato | 2024-12-24 |
| 12166427 | Power conversion device including an inverter control circuit that controls a phase of an AC voltage target value | — | 2024-12-10 |
| 12107426 | Power conversion device | — | 2024-10-01 |
| 11942787 | Power conversion device | Tomihiro Takano, Keishi MATSUDA | 2024-03-26 |
| 11923714 | Device and method for controlling a storage battery system | Satoshi Hara, Tomoki TAKEGAMI | 2024-03-05 |
| 11489338 | Power conversion device that receives dead zone information | Tomihiro Takano | 2022-11-01 |
| 11303130 | Power management system | — | 2022-04-12 |
| 11233398 | Distributed power supply system | Takahiro Kato | 2022-01-25 |
| 10164448 | Power conversion system | Kazufumi Tanaka, Makiko Kise | 2018-12-25 |
| 9935465 | Power conversion device | — | 2018-04-03 |
| 9787170 | Power conversion device | Hideki Kawano | 2017-10-10 |
| 9735619 | Power conversion device | — | 2017-08-15 |
| 9190915 | Electric-power conversion device | — | 2015-11-17 |
| 7756233 | Data receiving device and data receiving method | Toshimitsu Sato, Tsuyoshi Kasaura, Tetsuro Shida, Takashi Fujiwara, Soichiro Matsumoto +1 more | 2010-07-13 |
| 7584360 | Data sending/receiving device and digital certificate issuing method | Tsuyoshi Kasaura, Soichiro Matsumoto, Tetsuro Shida, Toshimitsu Sato, Masahiro Tsujishita | 2009-09-01 |
| 7369746 | Device for recording digital video and audio signals in designated areas of a recording medium in a predetermined track format | Tomohiro Ueda, Taketoshi Hibi, Junko Ishimoto, Masako Asamura, Nobuyoshi Okumura +2 more | 2008-05-06 |
| PP12928 | Shiitake mushroom plant named ‘HS607’ | Sumio Ayusawa, Shigeo Takano, Katsumasa Eda, Takahiro Yamauchi | 2002-09-10 |
| 6367191 | Method of sawdust-based cultivation of shiitake (Cortinellus shiitake) and a cultivation water tank used for the method | Sumio Ayusawa, Katsumasa Eda | 2002-04-09 |
| 6339670 | Digital VTR | Tomohiro Ueda, Taketoshi Hibi, Junko Ishimoto, Masako Asamura, Nobuyoshi Okumura +2 more | 2002-01-15 |
| 6337948 | Digital signal recording apparatus which utilizes predetermined areas on a magnetic tape for multiple purposes | Junko Shinohara, Tatsuo Yamasaki, Ken Onishi | 2002-01-08 |
| 6334274 | Method of sawdust-based cultivation shitake (Cortinellus shitake) | Sumio Ayusawa, Katsumasa Eda | 2002-01-01 |