Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6992781 | Film thickness measuring method and measuring apparatus for organic thin film for use in organic electroluminesce device | Hiroyuki Okada, Miki Shibata, Shigeki Naka, Hiroyoshi Onnagawa | 2006-01-31 |
| 6756249 | Method of manufacturing organic electroluminescent device | Shigeki Naka, Hiroyuki Okada, Hiroyoshi Onnagawa | 2004-06-29 |