Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9500784 | Optical device using double-groove grating | Hideo Iizuka | 2016-11-22 |
| 9500785 | Grating structure for dividing light | Hideo Iizuka, Yasuhiko Takeda | 2016-11-22 |
| 9285519 | Optical device using laterally-shiftable diffraction gratings | Hideo Iizuka | 2016-03-15 |