Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6937810 | Amplifying optical fiber, optical fiber amplifier and optical transmission system | Tomonori Kashiwada | 2005-08-30 |
| 6911481 | Method of regenerating ion exchange resin | Fujio Tanaka, Takashi Adachi, Mutsuro Noguchi, Tomoaki Kobayashi | 2005-06-28 |