Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497476 | Liquid injection device, manufacturing method therefor, liquid injection method and manufacturing method for piezo-electric actuator | Akihiko Namba, Masayuki Okano, Atsushi Komatsu, Yosihiro Tomita | 2002-12-24 |
| 6433458 | Method and unit for driving piezoelectric transformer used for controlling luminance of cold-cathode tube | Hiroshi Nakatsuka, Katsunori Moritoki, Toshiyuki Asahi, Kojiro Okuyama | 2002-08-13 |
| 6416852 | Ceramics sound absorption material | Hidenao Kawasaki | 2002-07-09 |
| 6341851 | Ink jet recording apparatus including a pressure chamber and pressure applying means | Ryoichi Takayama, Yuji Takashima, Eiichiro Tanaka, Koji Ikeda, Masayoshi Miura | 2002-01-29 |