Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9081159 | Optical waveguide and method of manufacturing the same, and optical waveguide device | Kenji Yanagisawa, Takanori Yamamoto, Kazunao Yamamoto | 2015-07-14 |
| 8923669 | Optical waveguide and method of manufacturing the same, and optical waveguide device | Takanori Yamamoto, Kenji Yanagisawa, Kazunao Yamamoto | 2014-12-30 |
| 8903203 | Optical waveguide device and method of manufacturing the same | Takanori Yamamoto, Kenji Yanagisawa, Kazunao Yamamoto | 2014-12-02 |
| 8737794 | Two-layer optical waveguide and method of manufacturing the same | Kazunao Yamamoto, Kenji Yanagisawa, Takanori Yamamoto | 2014-05-27 |
| 8737781 | Optical waveguide and method of manufacturing the same, and optical waveguide device | Kazunao Yamamoto, Kenji Yanagisawa, Takanori Yamamoto | 2014-05-27 |
| 8611715 | Optical waveguide and method of manufacturing the same, and optical waveguide device | Takanori Yamamoto, Kenji Yanagisawa, Kazunao Yamamoto | 2013-12-17 |
| 7873245 | Optoelectric composite substrate and method of manufacturing the same | Tadashi Kodaira | 2011-01-18 |
| 7865052 | Optical waveguide having an optical transmission direction changing part | Takanori Yamamoto, Kazunao Yamamoto, Kenji Yanagisawa | 2011-01-04 |
| 7801396 | Optoelectric composite substrate and method of manufacturing the same | Tadashi Kodaira | 2010-09-21 |
| 7796851 | Manufacturing method of optical waveguide, optical waveguide and optical reception/transmission apparatus | Takanori Yamamoto, Kazunao Yamamoto, Kenji Yanagisawa | 2010-09-14 |
| 7734124 | Optical waveguide and method of manufacturing the same, and method of manufacturing optical/electrical hybrid substrate | Kazunao Yamamoto, Takanori Yamamoto, Kenji Yanagisawa | 2010-06-08 |
| 7340121 | Optoelectric composite substrate and method of manufacturing the same | Tadashi Kodaira | 2008-03-04 |