Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816319 | Planar lens | Masahiro Tsuda, Koichi Sakaguchi | 2004-11-09 |
| 6784129 | Ultraviolet/infrared absorbent low transmittance glass | Hiromitsu Seto, Yukihito Nagashima | 2004-08-31 |
| 6780803 | Ultraviolet/infrared absorbent low transmittance glass | Hiromitsu Seto, Yukihito Nagashima | 2004-08-24 |
| 6753280 | Ultraviolet/infrared absorbent green glass | Hiromitsu Seto, Yukihito Nagashima, Nbuyuki Yamamoto | 2004-06-22 |