Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469611 | Tip processing method for jacketed optical fibers | Koji Sasaki, Shizuka Yamaguchi, Satoshi Fukuoka | 1995-11-28 |
| 5253412 | Tip processing apparatus for jacketed optical fibers | Satoshi Fukuoka, Shizuka Yamaguchi, Koji Sasaki | 1993-10-19 |
| 5253035 | Automatic optical measuring apparatus for optical fibers | Satoshi Fukuoka, Shizuka Yamaguchi, Koji Sasaki | 1993-10-12 |
| 4886335 | Optical fiber switch system | Hisaharu Yanagawa, Toshihiro Ochiai, Hidehisa Miyazawa, Shizuka Yamaguchi, Hiroshi Raijo +1 more | 1989-12-12 |