Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621194 | Piezoelectric element having thickness shear vibration and mobile communication device using the same | Masato Sugimoto, Tetsuro Otsuchi | 2003-09-16 |
| 6590293 | Electronic component, having projection electrodes and methods for manufacturing thereof | Keiji Onishi, Akihiko Namba | 2003-07-08 |
| 6583534 | Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer | Hiroshi Nakatsuka, Toshiyuki Asahi, Kojiro Okuyama, Osamu Kawasaki | 2003-06-24 |
| 6566821 | Drive device and drive method for a cold cathode fluorescent lamp | Hiroshi Nakatsuka, Takeshi Yamaguchi, Katsu Takeda | 2003-05-20 |
| 6509671 | Driving method and driving circuit for piezoelectric transformer, cold cathode tube emission device, liquid crystal panel and liquid crystal panel built-in apparatus | Katsu Takeda, Hiroshi Nakatsuka, Takeshi Yamaguchi | 2003-01-21 |
| 6509700 | Apparatus and method for driving a cathode discharge tube | Hiroshi Nakatsuka, Takeshi Yamaguchi, Katsu Takeda, Kojiro Okuyama | 2003-01-21 |