Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461747 | Heterocyclic compounds, materials for light emitting devices and light emitting devices using the same | Toshihiro Ise | 2002-10-08 |
| 6458474 | Methine compound, material for organic luminescence element, organic luminescence element using the same | Terukazu Yanagi | 2002-10-01 |
| 6444333 | Organic luminescent device material, organic luminescent device using the same, and tetraarylmethane compound | Naoki Asanuma, Tadahisa Sato | 2002-09-03 |
| 6440586 | Benzopyran compound, material for luminous device, and luminous device using the same | Terukazu Yanagi, Tatsuya Igarashi | 2002-08-27 |
| 6413657 | Benzoazepine derivative polymers as luminescent element materials | Tadahisa Sato | 2002-07-02 |
| 6358634 | Nitrogen-containing heterocyclic compound, organic light-emitting device material and organic light-emitting device | Tatsuya Igarashi | 2002-03-19 |
| 6350562 | Concentrated fixing solution and method for processing silver halide photographic material using the same | Harumi Watanabe, Minoru Yamada, Mitsunori Hirano | 2002-02-26 |