Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8993205 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Nobuhiro Nakamura, Atsushi Okuda, Kunihiko Sekido, Michiyo Sekiya, Yota Ito +2 more | 2015-03-31 |
| 8980510 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and method for producing electrophotographic photosensitive member | Atsushi Fujii, Haruyuki Tsuji | 2015-03-17 |
| 8940465 | Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound | Kunihiko Sekido, Michiyo Sekiya, Atsushi Okuda, Yuka Ishiduka, Nobuhiro Nakamura +1 more | 2015-01-27 |
| 8921834 | Organic light-emitting device | Kengo Kishino, Masashi Hashimoto, Yuko Chishina | 2014-12-30 |
| 8785005 | Organic light-emitting device | Takayuki Horiuchi, Jun Kamatani, Akihito Saitoh, Kengo Kishino | 2014-07-22 |
| 8771842 | Benzo[b]chrysene compound and organic light-emitting element including the same | Tetsuya Kosuge, Jun Kamatani, Kengo Kishino | 2014-07-08 |
| 8729541 | Phenanthrene compound and organic light emitting device using the same | Tetsuya Kosuge, Jun Kamatani | 2014-05-20 |
| 8519613 | Organic light-emitting device | Jun Kamatani, Isao Kawata, Naoki Yamada, Akihito Saitoh, Kengo Kishino +3 more | 2013-08-27 |
| 8102116 | Organic light-emitting device | Jun Kamatani, Isao Kawata, Naoki Yamada, Akihito Saitoh, Kengo Kishino +3 more | 2012-01-24 |
| 8034944 | Benzofluoranthene compound and organic light-emitting device using the compound | Hiroki Ohrui, Akihito Saitoh, Chika Negishi, Hironobu Iwawaki, Masanori Muratsubaki +2 more | 2011-10-11 |