Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9991450 | Spiro[cyclopenta[def]triphenylene-4,9′-fluorene] compound and organic light-emitting device having the same | Chiaki Nishiura, Jun Kamatani, Naoki Yamada | 2018-06-05 |
| 9971258 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Wataru Kitamura | 2018-05-15 |
| 9904188 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Daisuke Tanaka, Kazumichi Sugiyama, Takeshi Murakami, Daisuke Kawaguchi, Wataru Kitamura +1 more | 2018-02-27 |