Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7445832 | Ribboned polarization-maintaining fiber and manufacturing method therefor, and polarization-maintaining optical fiber array using the same | Akira Matsumoto | 2008-11-04 |
| 7421157 | Optical demultiplexing device | Akiyoshi Ide, Yasunori Iwasaki | 2008-09-02 |
| 7324729 | Optical device | Yasunori Iwasaki, Akiyoshi Ide | 2008-01-29 |
| 7321703 | Optical device | Yasunori Iwasaki, Akiyoshi Ide | 2008-01-22 |
| 7310460 | Optical device | Akiyoshi Ide, Yasunori Iwasaki | 2007-12-18 |
| 7308174 | Optical device including a filter member for dividing a portion of signal light | Yasunori Iwasaki, Akiyoshi Ide | 2007-12-11 |
| 7287915 | Optical device | Yasunori Iwasaki, Akiyoshi Ide, Takuhiro Tani | 2007-10-30 |
| 7195402 | Optical device | Yasunori Iwasaki, Akiyoshi Ide | 2007-03-27 |
| 7174062 | Optical device and method of manufacturing same | Yasunori Iwasaki, Akiyoshi Ide | 2007-02-06 |
| 7123798 | Optical device and method of producing the same | Akiyoshi Ide | 2006-10-17 |
| 7123355 | Method for determining core positions of optical element array and an apparatus for determining core positions thereof | Akira Matsumoto, Hironori Kurimoto | 2006-10-17 |
| 7095922 | Lensed fiber array and production method thereof | Hironori Kurimoto | 2006-08-22 |
| 6961504 | Optical fiber array | Akira Matsumoto | 2005-11-01 |
| 6950583 | Two-dimensional optical element array, two dimensional waveguide apparatus and methods for manufacturing the same | Akira Matsumoto, Akiyoshi Ide | 2005-09-27 |
| 6827499 | Method of manufacturing two-dimensional optical connector component | Akira Matsumoto, Akiyoshi Ide | 2004-12-07 |
| 6826347 | Two-dimensional optical element array and two-dimensional waveguide apparatus | Akira Matsumoto, Akiyoshi Ide | 2004-11-30 |
| 6798969 | Fiber array, method for fabricating the same and optical device using the fiber array | Akira Matsumoto | 2004-09-28 |
| 6768861 | Fiber array, and waveguide device | Akira Matsumoto | 2004-07-27 |
| 6689704 | Glass material and glass ceramic product | Takashi Ota, Kazutoshi Tohyama, Akiyoshi Ide | 2004-02-10 |
| 6668119 | Substrate for mounting optical parts, method of manufacturing same, and assembly using the substrate | Akira Matsumoto, Akiyoshi Ide | 2003-12-23 |
| 6577803 | OPTICAL FIBER ARRAY HAVING AN OFFSET ANGLE BETWEEN AN END PORTION OF A SUBSTRATE PORTION HOUSING AT LEAST ONE STRAIGHT GROOVE AND THE AXIS OF THE HOUSED STRAIGHT GROOVE HOLDING AT LEAST ONE OPTICAL FIBER THEREIN | Akira Matsumoto | 2003-06-10 |
| 6519406 | Thermally fused integral ferrule and its manufacturing method, and fiber array manufacturing method | Kazutoshi Tohyama | 2003-02-11 |
| 6379777 | Die and production method thereof, glass substrate and production method thereof and method of forming pattern on the glass substrate | Takashi Ota, Kazutoshi Tohyama | 2002-04-30 |
| 6354111 | Press-forming die for glass elements | Takashi Ota, Hitoshi Hasegawa, Kazutoshi Tohyama | 2002-03-12 |
| 6321020 | Glass substrate and two-stage molding method therefor | Kazutoshi Tohyama | 2001-11-20 |