Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6326796 | Harmonic measuring method and a current injection device for harmonic measurement | Isao Koda, Masakazu Tsukamoto, Shoji Nishimura, Katsuhiko Uno, Yoshifumi Minowa | 2001-12-04 |
| 6208945 | Harmonic component measuring method for power system | Isao Koda, Masakazu Tsukamoto, Hideki Fujita, Toshihiro Nakamura, Shoji Nishimura +1 more | 2001-03-27 |
| 6114859 | Harmonic characteristic measuring method and harmonic characteristic measuring apparatus | Isao Koda, Masakazu Tsukamoto, Yasuhiro Fuwa, Shoji Nishimura, Yoshifumi Minowa | 2000-09-05 |