Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9030168 | Power conversion device, power generation system and charge and discharge control method | Ryo Iwai, Yukihiro Shimizu, Shunsuke Nishi | 2015-05-12 |
| 6172889 | Inverter apparatus islanding operation detecting method and inverter apparatus capable of surely detecting an islanding operation with a simple construction | Hirokazu Kodama, Tsukasa Takebayashi, Hirofumi Nakata | 2001-01-09 |
| 5914866 | Device and method for controlling inverter performing feedback control to suppress periodic component and unsteady component of error | Hirokazu Kodama, Tsukasa Takebayashi, Hirofumi Nakata | 1999-06-22 |
| 5774564 | Active controller using lattice-type filter and active control method | Fumio Kokubo | 1998-06-30 |
| 5719758 | Inverter control method and inverter apparatus using the method | Hirofumi Nakata, Hirokazu Kodama, Tsukasa Takebayashi | 1998-02-17 |
| 5668713 | Inverter control method and inverter control device performing feedback control by suppressing delay | Hirokazu Kodama, Tsukasa Takebayashi, Hirofumi Nakata | 1997-09-16 |
| 5337366 | Active control apparatus using adaptive digital filter | Jun Saitoh, Hiroyuki Iida, Kozo Hiyoshi | 1994-08-09 |
| 5278780 | System using plurality of adaptive digital filters | — | 1994-01-11 |
| 5076070 | Fan device for refrigerator | Akira Takushima, Syozo Tanaka, Yoshiharu Shinobu | 1991-12-31 |
| 5009084 | Refrigerator | Syozo Tanaka, Akiro Takushima, Yoshiharu Shinobu | 1991-04-23 |