Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563986 | Arrayed waveguide grating | Kazutaka Nara | 2003-05-13 |
| 6539158 | Optical waveguide circuit | Kazutaka Nara, Hiroyuki Koshi, Takeshi Nakajima | 2003-03-25 |
| 6504983 | Optical waveguide and method for fabricating the same | Kazutaka Nara | 2003-01-07 |
| 6501896 | Optical waveguide circuit | Kazutaka Nara, Takeshi Nakajima | 2002-12-31 |
| 6501882 | Arrayed waveguide grating type optical multiplexer/demultiplexer | Kazutaka Nara | 2002-12-31 |
| 6490395 | Arrayed waveguide grating and method for compensating optical transmitting center wavelength of light traveling through the same | Kazutaka Nara, Takeshi Nakajima, Tsunetoshi Saito | 2002-12-03 |
| 6456763 | Arrayed waveguide grating type optical multiplexer/demultiplexer and a method of manufacturing the same | Kazutaka Nara, Yoshinobu Nekado | 2002-09-24 |
| 6445853 | Arrayed waveguide grating | Takeshi Nakajima, Tsunetoshi Saito | 2002-09-03 |
| 6442314 | Arrayed waveguide grating | Kazutaka Nara | 2002-08-27 |
| 6395393 | Optical fiber core wire binder and optical fiber unit | Masashi Akita, Hideaki Kambe, Osamu Saitoh, Iwao Hattori | 2002-05-28 |
| 6174604 | Optical-fiber core binder and optical fiber unit | Masashi Akita, Hideaki Kambe, Osamu Saitoh, Iwao Hattori | 2001-01-16 |
| 5604833 | Resin-packed type optical fiber unit | Hideaki Kambe | 1997-02-18 |