Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754960 | Device for removing coating on optical fiber | Keiko Shiraishi, Mituo Itoh, Tomotaka Murase, Masaru Kobayashi, Takushi Yoshida +2 more | 2004-06-29 |
| 6748151 | Optical fiber attenuator with attenuating dopant limited to a central or peripheral area of the fiber core | Masaru Watanabe, Eiji Matsuyama, Akiyoshi Naruse, Yuichi Murakami, Toyomitsu Yamamoto | 2004-06-08 |