Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644069 | Method of heating and processing an end of an optical fiber preform and apparatus for heating and processing an end of an optical fiber preform | Yukio Kohmura, Masahide Kuwabara, Kiyoshi Arima, Yasuhiro Naka | 2003-11-11 |
| 6639658 | Method for detecting defect of optical fiber | Yasuhiro Naka, Akira Aikawa | 2003-10-28 |
| 6600554 | Method for detecting defect of optical fiber | Yasuhiro Naka, Akira Aikawa | 2003-07-29 |