Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |