Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812592 | Voltage fluctuation compensating apparatus | Akihiko Iwata, Hiroyuki Sasao, Kenichi Koyama, Toshiyuki Kikunaga, Mitsugu Takahashi | 2004-11-02 |
| 6806434 | Electric discharge machine with output power control | Akihiko Iwata, Takashi Hashimoto, Yoshikazu Tsunoda, Hideaki Hayashi, Atsushi Taneda | 2004-10-19 |
| 6771920 | Charging roller including a conductive cover layer being formed of a seamless tube, process cartridge and electrophotographic image forming apparatus including such a charging roller | Hiroshi Abe, Hirobumi Takahashi | 2004-08-03 |
| 6674476 | Outdoor housing for TV camera | — | 2004-01-06 |