Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804046 | Optical amplification fiber, fiber optic amplifier, and optical communication system | Motoki Kakui | 2004-10-12 |
| 6746810 | Image formation method, replenishing toner used in this method and method of producing the same, and carrier-containing toner cartridge | Chiaki Suzuki, Atsuhiko Eguchi, Satoshi Inoue, Sakon Takahashi, Masahiro Uchida +4 more | 2004-06-08 |
| 6673502 | Carrier for development of electrostatic latent image, electrostatic latent image developer and image forming method | Sakon Takahashi, Hiroshi Nakazawa, Tomohito Nakajima, Atsuhiko Eguchi | 2004-01-06 |