Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436728 | Method for making an optical waveguide substrate | Shinji Makikawa, Masaaki Shirota, Seiki Ejima | 2002-08-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436728 | Method for making an optical waveguide substrate | Shinji Makikawa, Masaaki Shirota, Seiki Ejima | 2002-08-20 |