Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570270 | Power conditioner for solar power generation system | — | 2003-05-27 |
| 6448489 | Solar generation system | Fumiya Kimura, Hirofumi Nakata, Hirokazu Kodama, Kiyoshi Nishida | 2002-09-10 |
| 6172889 | Inverter apparatus islanding operation detecting method and inverter apparatus capable of surely detecting an islanding operation with a simple construction | Masaki Eguchi, Hirokazu Kodama, Hirofumi Nakata | 2001-01-09 |
| 5914866 | Device and method for controlling inverter performing feedback control to suppress periodic component and unsteady component of error | Masaki Eguchi, Hirokazu Kodama, Hirofumi Nakata | 1999-06-22 |
| 5719758 | Inverter control method and inverter apparatus using the method | Hirofumi Nakata, Hirokazu Kodama, Masaki Eguchi | 1998-02-17 |
| 5668713 | Inverter control method and inverter control device performing feedback control by suppressing delay | Masaki Eguchi, Hirokazu Kodama, Hirofumi Nakata | 1997-09-16 |
| 5625539 | Method and apparatus for controlling a DC to AC inverter system by a plurality of pulse-width modulated pulse trains | Hirofumi Nakata, Hirokazu Kodama, Satoru Fujii, Kozo Hiyoshi | 1997-04-29 |
| 5493155 | Electric power supply system | Mitsuo Okamoto, Hirokazu Kodama, Kouji Minamino, Yoshikazu Tsuyuguchi, Shigeru Ohmori | 1996-02-20 |