Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9065243 | Optical amplifier | Masaki Asobe, Takeshi Umeki, Akio Tokura, Yutaka Miyamoto, Hidehiko Takara +2 more | 2015-06-23 |
| 7953309 | Optical fiber and production method thereof | Atsushi Mori, Masao Kato, Shinichi Aozasa, Kiyoshi Oikawa, Takashi Kurihara +3 more | 2011-05-31 |
| 7677059 | Tellurite optical fiber and production method thereof | Atsushi Mori, Masao Kato, Shinichi Aozasa, Kiyoshi Oikawa, Takashi Kurihara +3 more | 2010-03-16 |