Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236657 | Optical switch and optical add/drop multiplexer using the same | Kaoru Kagami, Hidekuni Asai | 2007-06-26 |
| 7215853 | Optical module formed on common substrate for branching an optical signal | Kiyoshi Morita, Tetsuo Takano | 2007-05-08 |
| 7164817 | Optical switch and optical add/drop multiplexer using the same | Kaoru Kagami, Hidekuni Asai | 2007-01-16 |
| 6876789 | Optical filtering module and optical devices using such optical filtering module | Kaoru Kagami, Toshihisa Kurosawa, Hidekuni Asai, Seiichi Yokoyama | 2005-04-05 |
| 6701041 | Optical filter module and optical apparatus using the same | Kaoru Kagami, Toshihisa Kurosawa, Hidekuni Asai, Seiichi Yokoyama | 2004-03-02 |
| 6507446 | Positioning method of optical element, positioning member of optical element and optical unit, and manufacturing method thereof | Teruo Yamashita, Shigeru Hayashi | 2003-01-14 |
| 6434976 | Method for manufacturing glass product | Masahiro Yoshida, Reikou Fukazaki, Teruo Yamashita, Ken Uno | 2002-08-20 |
| 6324332 | Optical fiber fixing member, method of manufacturing the optical fiber fixing member, optical fiber array, and method of manufacturing the optical fiber array | Teruo Yamashita, Masahiro Yoshida, Reikou Fukazaki | 2001-11-27 |
| 6240235 | Optical fiber fixing member and method for manufacturing the same | Ken Uno, Masahiro Yoshida, Teruo Yamashita, Shinichiro Hirota | 2001-05-29 |
| 6231243 | Preform and process for the production thereof | Lihong Zhang, Masahiro Yoshida, You Ohgami, Teruo Yamashita | 2001-05-15 |
| 6156243 | Mold and method of producing the same | Hiroyuki Kosuga | 2000-12-05 |
| 6105395 | Manufacturing method for glass molded products | Masahiro Yoshida, Teruo Yamashita, Lihong Zhang | 2000-08-22 |
| 6050110 | Method for manufacturing glass product | Masahiro Yoshida, Lihong Zhang, Teruo Yamashita, Ken Uno | 2000-04-18 |