Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5197107 | Character recognition apparatus | Hiroshi Iwaki, Takafumi Edanami, Noriyuki Fukuyama | 1993-03-23 |
| 5194080 | Apparatus for producing hermetic coated optical fiber | Haruhiko Aikawa, Yoichi Ishiguro, Katsuya Nagayama, Ichiro Yoshimura, Nobuyuki Yoshizawa | 1993-03-16 |
| 5191612 | Character recognition system | Noriyuki Fukuyama | 1993-03-02 |
| 5125066 | Fiber optical amplifier | Yoichi Ishiguro, Takashi Kogo, Masaharu Ooe | 1992-06-23 |
| 4659215 | Optical fiber test method and apparatus | Shin Sumida, Hisashi Murata | 1987-04-21 |