Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835681 | Dielectric ceramic composition and dielectric device | Hiroshi Kagata, Junichi Kato, Hiroyuki Hase | 2004-12-28 |
| 6812623 | Piezoelectric transformer | Katsu Takeda, Hiroshi Nakatsuka, Takeshi Yamaguchi, Katsunori Moritoki | 2004-11-02 |
| 6794796 | Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer | Hiroshi Nakatsuka, Katsunori Moritoki, Toshiyuki Asahi, Osamu Kawasaki | 2004-09-21 |
| 6762142 | Dielectric ceramic and dielectric device | Junichi Kato, Hiroshi Kagata, Kenji Iijima | 2004-07-13 |
| 6737816 | Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer | Hiroshi Nakatsuka, Katsunori Moritoki, Toshiyuki Asahi, Osamu Kawasaki | 2004-05-18 |
| 6720705 | Method of driving a piezoelectric transformer and power source apparatus using the same | Hiroshi Nakatsuka, Takeshi Yamaguchi, Katsu Takeda, Katsunori Moritoki | 2004-04-13 |