Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748176 | Optical dropping apparatus and optical add/drop multiplexer | Shinya Inagaki, Kaoru Moriya | 2004-06-08 |
| 6678460 | Magnetic reproducer and magnetic reproduction method | Isao Kogure, Yasutaka Kotani, Kazuyuki Iesaka, Masanori Kimura, Hisao Osabe | 2004-01-13 |