Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893429 | Multifunction organic diode and matrix panel thereof | Hiroyuki Okada, Shigeki Naka | 2011-02-22 |
| 7307297 | Organic photodiode and method for manufacturing the organic photodiode | Hiroyuki Okada, Shigeki Naka, Takeshi Miyabayashi, Toyokazu Inoue | 2007-12-11 |
| 6992781 | Film thickness measuring method and measuring apparatus for organic thin film for use in organic electroluminesce device | Hiroyuki Okada, Miki Shibata, Tadahiro Echigo, Shigeki Naka | 2006-01-31 |
| 6894752 | Liquid crystal display device | Hiroyuki Okada, Hiroshi Ohno | 2005-05-17 |
| 6806640 | Organic electroluminescence device having current injection layer between light emitting layer and cathode | Hiroyuki Okada, Shigeru Tabatake, Shigeki Naka | 2004-10-19 |
| 6756249 | Method of manufacturing organic electroluminescent device | Shigeki Naka, Tadahiro Echigo, Hiroyuki Okada | 2004-06-29 |
| 6710549 | Driving method for matrix type organic EL element and matrix type organic EL apparatus | Hiroyuki Okada, Shigeki Naka | 2004-03-23 |
| 6570180 | Organic light-emitting device capable of high-quality display | Hiroyuki Okada, Shigeru Tabatake, Shigeki Naka | 2003-05-27 |
| 6140766 | Organic EL device | Hiroyuki Okada, Shigeki Naka, Morimitsu Wakabayashi, Hajime Yamamoto, Shigeru Fukumoto +1 more | 2000-10-31 |
| 6075582 | LCD with zig-zag electrodes on both substrates | Hiroyuki Okada, Masashi ISHIMARU | 2000-06-13 |