Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436728 | Method for making an optical waveguide substrate | Shinji Makikawa, Hiroshi Aoi, Masaaki Shirota | 2002-08-20 |
| 6402973 | Preparation of silicon substrate | Yasushi Maeda, Masaharu Horiguchi, Shinji Makikawa | 2002-06-11 |
| 6380109 | Second-order nonlinear glass material | Jun Abe, Akira Ikushima, Takumi Fujiwara | 2002-04-30 |