Issued Patents All Time
Showing 26–50 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835474 | Methine compound, material for organic luminescence element, and organic luminescence element using the same | Terukazu Yanagi | 2004-12-28 |
| 6835845 | Methine compound, material for organic luminescence element, and organic luminescence element using the same | Terukazu Yanagi | 2004-12-28 |
| 6830836 | Heterocyclic compounds, materials for light emitting devices and light emitting devices using the same | Toshihiro Ise | 2004-12-14 |
| 6824891 | Light-emitting device and material therefor | Toshihiro Ise, Masayuki Mishima, Toshiki Taguchi | 2004-11-30 |
| 6818325 | Light-emitting device | Masayuki Mishima, Katsumi Araki, Xuepeng Qiu, Toshihiro Ise | 2004-11-16 |
| 6656612 | Heterocyclic compounds, materials for light emitting devices and light emitting devices using the same | Toshihiro Ise | 2003-12-02 |
| 6620529 | Materials for light emitting devices and light emitting devices using the same | Toshihiro Ise | 2003-09-16 |
| 6551723 | Organic electroluminescence element material and organic electroluminescence element comprising same | Tatsuya Igarashi, Toshiki Taguchi | 2003-04-22 |
| 6528187 | Material for luminescence element and luminescence element using the same | — | 2003-03-04 |
| 6506507 | Methine compound, material for organic luminescence element, and organic luminescence element using the same | Terukazu Yanagi | 2003-01-14 |
| 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 |
| 6194090 | Organic electroluminescence device material and organic electroluminescence device using the same | — | 2001-02-27 |
| 6143434 | Organic electroluminescent element material and organic electroluminescent element employing the same | — | 2000-11-07 |
| 6132949 | Photothermographic material | Munehisa Fujita, Tatsuya Ishizaka, Akira Hatakeyama, Naoki Asanuma | 2000-10-17 |
| 6120983 | Photothermographic material, novel 2,3-dihydrothiazole derivative, and photographic silver halide photosensitive material | Ryo Suzuki, Naoki Asanuma, Tadashi Ikeda, Shigeo Hirano | 2000-09-19 |
| 6074813 | Polyhalomethane compound and photosensitive material | Naoki Asanuma, Ichizo Toya | 2000-06-13 |
| 5958668 | Recording material | Hirotaka Matsumoto, Kimi Ikeda | 1999-09-28 |
| 5952167 | Photothermographic materials | Naoki Asanuma, Ichizo Toya | 1999-09-14 |
| 5922529 | Photothermographic material | Hirohiko Tsuzuki, Yoshio Inagaki | 1999-07-13 |