Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639642 | Display device having diffraction grating | Toshihiro Suzuki, Hisashi Yamaguchi, Takeshi Gotoh, Tetsuya Hamada, Keiji Hayashi +7 more | 2003-10-28 |
YI
Yukio Iigahama
Overall (2003): #84,549 of 273,478Top 35%
1
Patents 2003