Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835440 | Light transmitting plate | Yuichiro Konishi, Kazuyuki Obuchi, Tatsuo Miyazaki | 2004-12-28 |
| 6633722 | Light guide plate with alicyclic resin | Teiji Kohara, Yuichiro Konishi, Junko Maruyama, Koji Minami | 2003-10-14 |