| 11815849 |
Electrophotographic photosensitive member, process cartridge and electrophotographic image forming apparatus |
Haruki Mori, Naoaki Ichihashi |
2023-11-14 |
| 11747743 |
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus |
Naoaki Ichihashi |
2023-09-05 |
| 11276826 |
Triphenyleno-benzohuran compound and organic light emitting element including the same |
Takayuki Horiuchi, Jun Kamatani, Akihito Saitoh |
2022-03-15 |
| 11269282 |
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus |
Naoaki Ichihashi, Hironori Owaki, Yasuhiro Kawai |
2022-03-08 |
| 10854821 |
Organic light emitting device |
Hiroki Ohrui, Yojiro Matsuda, Haruna Iida, Masumi Itabashi, Kei Tagami +3 more |
2020-12-01 |
| 10359729 |
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus |
Naoaki Ichihashi, Yasuhiro Kawai |
2019-07-23 |
| 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 |
| 9817324 |
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus |
Wataru Kitamura |
2017-11-14 |
| 9472766 |
Fused polycyclic compound and organic light emitting element including the same |
Masumi Itabashi, Hiroki Ohrui, Hironobu Iwawaki, Kei Tagami, Tetsuo Takahashi +2 more |
2016-10-18 |
| 9360779 |
Electrophotographic photoconductor, process cartridge, and electrophotographic apparatus |
Wataru Kitamura, Mai Murakami, Daisuke Tanaka, Kazumichi Sugiyama, Takeshi Murakami +1 more |
2016-06-07 |
| 9318712 |
Xanthone compound and organic light-emitting device including the same |
Takayuki Horiuchi, Jun Kamatani, Naoki Yamada, Kengo Kishino, Akihito Saitoh |
2016-04-19 |
| 8829502 |
Condensed polycyclic compound and organic light emitting element including the same |
Tetsuya Kosuge, Jun Kamatani |
2014-09-09 |
| 8743031 |
Dibenzothiophene compound and organic light-emitting element based on the same |
Masashi Hashimoto, Jun Kamatani, Akihito Saitoh |
2014-06-03 |
| 8076681 |
White organic electroluminescent device |
Toshifumi Mori, Koichi Suzuki, Akira Tsuboyama, Satoru Shiobara |
2011-12-13 |
| 8076841 |
Organic electroluminescent display apparatus |
Satoru Shiobara, Toshifumi Mori, Koichi Suzuki, Akira Tsuboyama |
2011-12-13 |
| 7928650 |
Organic EL display apparatus |
Toshifumi Mori, Koichi Suzuki, Akira Tsuboyama, Satoru Shiobara |
2011-04-19 |
