Issued Patents 2005
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952309 | Optical amplifier and optical amplification method | Tetsufumi Tsuzaki, Masayuki Nishimura, Masayuki Shigematsu, Hitoshi Hatayama | 2005-10-04 |
| 6901197 | Microstructured optical fiber | Takemi Hasegawa, Daizo Nishioka, Tomohiko Ueda, Toshifumi Hosoya | 2005-05-31 |
| 6868213 | Optical fiber and production method therefor | Takemi Hasegawa, Masashi Onishi, Shinji Ishikawa | 2005-03-15 |
| 6859595 | Optical fiber and optical transmission system including the same | Takatoshi Kato, Shigeru Tanaka | 2005-02-22 |
| 6859598 | Microstructured optical fiber | Takemi Hasegawa, Masayuki Nishimura | 2005-02-22 |
| 6853766 | Dispersion-compensating module | Masao Tsukitani, Toshiaki Okuno, Shigeru Tanaka | 2005-02-08 |