Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9929379 | Method for producing organic electroluminescent element | Hirofumi Ohtani | 2018-03-27 |
| 9006711 | White organic electroluminescent element and lighting device | Tomoyuki Nakayama, Kunimasa Hiyama, Shigeru Kojima | 2015-04-14 |
| 8518556 | Electroluminescent element | Hiroshi Kashiwagi, Hiroyuki Hashimoto, Kunimasa Hiyama | 2013-08-27 |
| 8299787 | Multicolor phosphorescent organic electroluminescent element and lighting system | Tomoyuki Nakayama, Hiroshi Kashiwagi, Shigeru Kojima | 2012-10-30 |
| 7226891 | Image forming method using thermal transfer recording material | Hiroshi Watanabe, Hiroaki Yamagishi, Hirokazu Koyama, Kaori Fukumuro, Hiroki Nakane | 2007-06-05 |
| 6074440 | Mixture of dyes to form a black image | Akira Onishi, Tatsuo Tanaka, Mari Honda | 2000-06-13 |
| 5892033 | Metallic chelating dye | Tawara Komamura, Akira Onishi, Tatsuo Tanaka, Mari Honda, Norio Miura | 1999-04-06 |
| 5476755 | Image forming element and image forming method | Noritaka Nakayama, Norio Miura, Tawara Komamura, Toshihisa Takeyama | 1995-12-19 |
| 5432144 | Thermal-transfer recording material and a thermal-transfer recording process | Tawara Komamura, Noritaka Nakayama, Katsunori Katoh, Norio Miura, Tatsuo Tanaka | 1995-07-11 |
| 5358922 | Thermal transfer image recording material and image using metal ion providing compound | Noritaka Nakayama, Katsunori Kato, Tatsuo Tanaka, Tawara Komamura | 1994-10-25 |