Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615614 | Method for preparing optical waveguide substrate | Shinji Makikawa, Shigeru Konishi | 2003-09-09 |
| 6564585 | Method for producing a second-order nonlinear glass material | Jun Abe, Akira Ikushima, Takumi Fujiwara | 2003-05-20 |