Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819042 | Organic EL device and method for its manufacture | Hitoshi Nakada, Yoshitaka Nonaka, Atsushi Nishino, Yohei Kawaguchi, Masayuki Fujimori +1 more | 2004-11-16 |
| 6808828 | Organic electroluminescent display panel | — | 2004-10-26 |
| 6797369 | Cemented carbide and cutting tool | Keiji Usami, Daisuke Shibata | 2004-09-28 |