Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853450 | Monochromator and optical spectrum analyzer | Takashi Iwasaki | 2005-02-08 |
| 6168318 | Optical fiber positioning device and optical connector provided with this device | Toru Yamaguchi | 2001-01-02 |