Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477308 | Optical waveguide devices and methods of fabricating the same | Tetsuya Hattori, Toru Iwashima | 2002-11-05 |
| 5696860 | Optical device module and method for manufacturing the same | Masahide Saito, Dai Yui, Shigeru Hirai, Shinji Ishikawa | 1997-12-09 |
| 5673345 | Package with optical waveguide module mounted therein | Masahide Saito, Shinji Ishikawa, Dai Yui, Hiroo Kanamori | 1997-09-30 |
| 5627930 | Arrayed optical fiber coupler and method of manufacturing the same | Yoichi Ishiguro, Yuji Kobayashi, Toshiyuki Wakinosono, Tomoyuki Hattori, Hiroshi Suganuma +2 more | 1997-05-06 |
| 5625730 | Optical waveguide module having waveguide substrate made of predetermined material and ferrule made of material different from that of waveguide substrate | Shinji Ishikawa, Masahide Saito | 1997-04-29 |
| 5620494 | Method for manufacturing optical fiber coupler | Eisuke Sasaoka, Yuji Kobayashi, Tomomi Moriya, Yoichi Ishiguro | 1997-04-15 |
| 5513290 | Coupling structure of optical fibers and optical waveguides | Shinji Ishikawa, Hiroshi Suganuma, Dai Yui, Masahide Saito, Shigeru Hirai | 1996-04-30 |
| 5471306 | Method for assembling optical isolator and method for measuring isolation | Dai Yui, Shigeru Hirai | 1995-11-28 |
| 5463708 | Optical waveguide module having a waveguide affixed thereto at a first bonding strength and optical fibers affixed thereto at a second bonding strength | Dai Yui, Hiroshi Suganuma, Shinji Ishikawa | 1995-10-31 |
| 5444804 | Optical waveguide module | Dai Yui, Shinji Ishikawa, Hiroshi Suganuma | 1995-08-22 |
| 5408491 | Optical isolator | Shigeru Hirai, Dai Yui | 1995-04-18 |