Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7582233 | Method of manufacturing directional coupler | Tomoko Koyama, Takeo Kaneko, Taketomi Kamikawa, Atsushi Harada | 2009-09-01 |
| 7138764 | Light-emitting device and electronic instrument | Tomoko Koyama, Takeo Kaneko, Taketomi Kamikawa, Atsushi Harada | 2006-11-21 |
| 6870182 | Organic semiconductor device | Tomoko Koyama, Takeo Kaneko, Taketomi Kamikawa, Atsushi Harada | 2005-03-22 |