Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7142755 | Optical fiber and evaluation method thereof | Kazuhiko Kurusu, Hideya Moridaira, Yoshinori Ishida | 2006-11-28 |
| 7079736 | Optical fiber for WDM system and manufacturing method thereof | Fumio Takahashi, Hideya Moridaira, Yoshinori Ishida, Satoru Ise | 2006-07-18 |
| 6941773 | Apparatus for manufacturing an optical fiber soot, and method for manufacturing an optical fiber soot using thereof | Hiroyuki Wada, Kiyoshi Arima, Sadayuki Toda | 2005-09-13 |
| 6944381 | Optical fiber and evaluation method thereof | Kazuhiko Kurusu, Hideya Moridaira, Yoshinori Ishida | 2005-09-13 |
| 6729162 | Electric furnace extension method and extension apparatus for optical fiber glass preform | Tetsuro Wada, Yukio Komura | 2004-05-04 |
| 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, Kiyoshi Arima, Yasuhiro Naka, Shinpei Todo | 2003-11-11 |
| 6542680 | Optical fiber preform | Yukio Koumura, Kazuto Hirabayashi | 2003-04-01 |
| 6279353 | Electric furnace extension method and extension apparatus for optical fiber glass preform | Tetsuro Wada, Yukio Komura | 2001-08-28 |
| 6012305 | Apparatus for producing an optical fiber porous glass preform | Tetsuro Wada, Yukio Komura | 2000-01-11 |
| 5210816 | Optical fiber and process of producing same | Akira Iino | 1993-05-11 |