Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6519389 | Method of making diffraction grating device, diffraction grating device, and apparatus for making the same | Ken Hashimoto, Akira Inoue | 2003-02-11 |
MO
Masaki Ohmura
Overall (2003): #163,348 of 273,478Top 60%
1
Patents 2003