Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11793069 | Electron-accepting compound and composition for charge-transporting film, and luminescent element using same | Hideki Gorohmaru, Koichiro Iida, Tomokazu Umemoto, Yoshimasa Bando, Koichi Ishibashi +2 more | 2023-10-17 |
| 11316112 | Electron-accepting compound and composition for charge-transporting film, and luminescent element using same | Hideki Gorohmaru, Koichiro Iida, Tomokazu Umemoto, Yoshimasa Bando, Koichi Ishibashi +2 more | 2022-04-26 |
| 11060983 | Evaluation method of silicon wafer | Haruo Sudo, Nobue Araki, Koji Araki | 2021-07-13 |
| 9640769 | Organic electric field light emitting element and production therefor | Masayoshi Yabe, Tomoyuki Ogata, Hideki Sato, Koichiro Iida, Asato TANAKA +3 more | 2017-05-02 |
| 9515277 | Organic electroluminescent element, organic EL display device and organic EL illumination | Atsushi Takahashi, Tomohiro Abe, Yasuyuki Tsurutani, Hideki Sato | 2016-12-06 |
| 9365767 | Organic electric field light emitting element and production therefor | Masayoshi Yabe, Tomoyuki Ogata, Hideki Sato, Koichiro Iida, Asato TANAKA +3 more | 2016-06-14 |
| 9214633 | Conjugated polymer, insolubilized polymer, organic electroluminescence element material, composition for organic electroluminescence element, polymer production process, organic electroluminescence element, organic EL display and organic EL lighting | Kyoko Endo, Koichiro Iida, Hideki Gorohmaru | 2015-12-15 |
| 9028980 | Organic electroluminescent element, composition for organic electroluminescent element, and organic electroluminescent device | Tomohiro Abe, Futoshi Tanaka, Atsushi Takahashi, Koichiro Iida, Ichiro Imada | 2015-05-12 |
| 8754399 | Organic electroluminescence element, organic electroluminescence device, organic el display device, and organic el lighting | Futoshi Tanaka, Atsushi Takahashi | 2014-06-17 |
| 8692234 | Polymer compound, net-like polymer compound produced by crosslinking the polymer compound, composition for organic electroluminescence element, organic electroluminescence element, organic EL display, and organic EL lighting | Koichiro Iida, Kyoko Endo, Yanjun Li, Masayoshi Yabe | 2014-04-08 |
| 8653508 | Conjugated polymer, insolubilized polymer, organic electroluminescence element material, composition for organic electroluminescence element, polymer production process, organic electroluminescence element, organic EL display and organic EL lighting | Kyoko Endo, Koichiro Iida, Hideki Gorohmaru | 2014-02-18 |
| 8610112 | Charge-transporting polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display, and organic EL lighting | Koichiro Iida, Haruhiko Kusaka, Kyoko Endo, Yanjun Li | 2013-12-17 |
| 8581241 | Polymer compound, net-like polymer compound produced by crosslinking the polymer compound, composition for organic electroluminescence element, organic electroluminescence element, organic EL display, and organic EL lighting | Koichiro Iida, Kyoko Endo, Yanjun Li, Masayoshi Yabe | 2013-11-12 |
| 8222807 | Organic electroluminescence device and method of producing organic device | Tomoyuki Ogata, Koichiro Iida, Masayoshi Yabe | 2012-07-17 |
| 8022617 | Organic compound, charge-transporting material, composition for charge-transporting material and organic electroluminescent device | Koichiro Iida, Yuichiro Kawamura, Tomoyuki Ogata, Masayoshi Yabe, Misako Okabe +1 more | 2011-09-20 |
| 5899636 | Reversible lining tube for repairing an existing pipeline | Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki | 1999-05-04 |