Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461748 | Organic luminescence device with spiro compound having silicon spiro atom | Koichi Suzuki, Yuichi Hashimoto, Kazunori Ueno | 2002-10-08 |
| 6461749 | Organic boron compound, process for producing the compound and organic luminescence device using the compound | Kazunori Ueno, Koichi Suzuki, Hiroshi Tanabe, Seiichi Yogi | 2002-10-08 |
| 6458476 | Organic luminescence device with spiro compound | Koichi Suzuki, Yuichi Hashimoto, Kazunori Ueno | 2002-10-01 |
| 6436559 | Organic luminescence device | Kazunori Ueno, Seiji Mashimo | 2002-08-20 |
| 6373455 | Electroluminescence device, electroluminescence apparatus, and production methods thereof | Masaki Kuribayashi, Yuichi Hashimoto, Kazunori Ueno, Hidetoshi Tsuzuki | 2002-04-16 |