Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748766 | Porous preform vitrification apparatus | — | 2004-06-15 |
| 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 | Masahide Kuwabara, Kiyoshi Arima, Yasuhiro Naka, Shinpei Todo | 2003-11-11 |
| 6619074 | Apparatus and method for production of a porous optical fiber preform | Hiroyuki Wada, Toshihiro Mikami, Akihiro Kanao | 2003-09-16 |
| 6519977 | Optical fiber preform suspending and supporting apparatus and optical fiber preform processing apparatus | Toshihiro Mikami | 2003-02-18 |
| 5672193 | Production apparatus for producing an optical fiber cable | Yoshinori Ishida, Takashi Hibino | 1997-09-30 |
| 5558721 | Vapor phase growth system and a gas-drive motor | Koichi Toyosaki | 1996-09-24 |
| 5548213 | Method and system for forming and inspecting an electroconductive film on optical fibers and substrates using eddy current to measure electrical resistance | Yoshinori Ishida, Takashi Hibino | 1996-08-20 |
| 5262726 | Method and system for inspection of electroconductive film using eddy current | Yoshinori Ishida, Takashi Hibino | 1993-11-16 |
| 5183490 | Optical fiber soot synthesis apparatus | Toshihiro Mikami, Yoshinori Ishida, Akira Nogami | 1993-02-02 |
| 4991542 | Method of forming a thin film by plasma CVD and apapratus for forming a thin film | Yoshinori Ishida, Takuya Nishimoto | 1991-02-12 |