Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962667 | Process for producing polymer optical waveguide | Keishi Shimizu, Shigemi Ohtsu, Kazutoshi Yatsuda | 2005-11-08 |
| 6929760 | Method for producing a polymer optical waveguide and laminated polymer optical waveguide with an alignment mark | Keishi Shimizu, Shigemi Ohtsu, Kazutoshi Yatsuda | 2005-08-16 |
| 6931167 | Optical element and manufacturing method thereof | Shigemi Ohtsu, Keishi Shimizu, Kazutoshi Yatsuda | 2005-08-16 |
| 6901198 | Polymer optical waveguide and process for producing the same | Keishi Shimizu, Shigemi Ohtsu, Kazutoshi Yatsuda | 2005-05-31 |
| 6849171 | Light waveguide forming method, electrolyte solution, light waveguide forming apparatus and light waveguide | Keishi Shimizu, Shigemi Ohtsu, Kazutoshi Yatsuda | 2005-02-01 |