Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809942 | System interconnection electric power generator and control method therefor | Masaki Madenokouji, Keigo Onizuka, Masanori Kobayashi | 2004-10-26 |
| 6781802 | Controlling device of compressor | Hideaki Kato, Tetsuo Nomoto, Yuichi Izawa, Takahisa Matsuo, Kazuhisa Otagaki | 2004-08-24 |
| 6285572 | Method of operating a power supply system having parallel-connected inverters, and power converting system | Keigo Onizuka, Masaki Madenokouji, Isao Morita | 2001-09-04 |
| 5627737 | Power inverter for use in system interconnection | Masahiro Maekawa, Etsuko Yamamoto, Masaki Yugo, Wataru Horio, Takehito Ike +1 more | 1997-05-06 |
| 5327334 | Zero current switching DC-DC converter incorporating a tapped resonant inductor | Lu Ding | 1994-07-05 |
| 5321235 | Half-bridge converter switching power supply for magnetron | Etsuko Yamamoto, Etsuo Sakoguchi, Katsuhiko Ito | 1994-06-14 |
| 4626514 | Good aesthetic artificial dental materials by calcium phosphate glass-ceramic | Akira Watanabe, Yoshimitsu Takeuchi, Hiroyasu Tokuda, Seiji Kihara, Keiji Kamegawa | 1986-12-02 |