Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490078 | Optical fiber for optical amplifier, optical fiber amplifier and optical fiber laser | Tadashi Enomoto, Masahiro Takagi, Yuichi Ohga, Motoki Kakui, Shinji Ishikawa +1 more | 2002-12-03 |
| 6487340 | Optical fiber grating element, production method, and optical fiber filter | Tadashi Enomoto, Shinji Ishikawa, Michiko Takushima | 2002-11-26 |
| 6483955 | Diffraction grating device | Manabu Shiozaki, Toru Iwashima, Kiyotaka Murashima | 2002-11-19 |
| 6415078 | Laser light source and manufacturing method therefor | Masayuki Shigematsu, Takashi Kato | 2002-07-02 |
| 6337937 | Optical filter and method of making the same | Michiko Takushima | 2002-01-08 |