Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12133453 | Polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, organic EL lighting, and manufacturing method for organic electroluminescent element | Yanjun Li, Hideki Gorohmaru, Koichiro Iida, Kouji Adachi | 2024-10-29 |
| 11943997 | Polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, organic EL lighting, and manufacturing method for organic electroluminescent element | Yanjun Li, Hideki Gorohmaru, Koichiro Iida, Kouji Adachi | 2024-03-26 |
| 11793069 | Electron-accepting compound and composition for charge-transporting film, and luminescent element using same | Hideki Gorohmaru, Kazuki Okabe, Koichiro Iida, 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, Kazuki Okabe, Koichiro Iida, Yoshimasa Bando, Koichi Ishibashi +2 more | 2022-04-26 |
| 10270035 | Polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, and organic EL lighting device | Koichiro Iida, Yanjun Li, Qi Gao, Hideki Goromaru | 2019-04-23 |
| 9309385 | Cellulose fibers and process for producing the same, cellulose fiber assembly, and cellulose-fiber composite material | Naohide Ogita, Takanori Shimizu, Yasutomo Noishiki, Hiroyuki Nagatani, Go Banzashi | 2016-04-12 |
| 8771463 | Cellulose fiber assembly and method for preparing the same, fibrillated cellulose fibers and method for preparing the same, and cellulose fiber composite | Hideko Akai, Yasutomo Noishiki, Go Banzashi | 2014-07-08 |