Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12002280 | Detection device and optical filter | Junko NAGASAWA, Tetsuya Yamamoto | 2024-06-04 |
| 6806640 | Organic electroluminescence device having current injection layer between light emitting layer and cathode | Hiroyuki Okada, Shigeki Naka, Hiroyoshi Onnagawa | 2004-10-19 |
| 6570180 | Organic light-emitting device capable of high-quality display | Hiroyuki Okada, Shigeki Naka, Hiroyoshi Onnagawa | 2003-05-27 |