Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151990 | Toner | Masao Suzuki, Kazuyuki Sato, Shohei Fukuya, Atsushi Nakamoto, Makoto Fukatsu +4 more | 2018-12-11 |
| 9705087 | Organic light emitting device | Minako Nakasu, Masataka Yashima, Hajime Muta, Keiji Okinaka, Tomona Yamaguchi +2 more | 2017-07-11 |
| 9331296 | Organic light-emitting device | Keiji Okinaka, Tetsuo Takahashi, Hajime Muta, Yohei Iwasaki, Minako Nakasu +2 more | 2016-05-03 |
| 9312494 | Organic light emitting device | Minako Nakasu, Masataka Yashima, Hajime Muta, Keiji Okinaka, Tomona Yamaguchi +2 more | 2016-04-12 |
| 9115055 | Fluorenylamine compound, organic light emitting device containing the same, material for organic light emitting device, display apparatus, and image input apparatus | Tomonari Horikiri, Naoki Yamada, Minako Nakasu | 2015-08-25 |
| 8624231 | Benzopyrene compound and organic light-emitting element containing the same | Naoki Yamada, Yosuke Nishide, Tetsuo Takahashi, Jun Kamatani, Akihito Saitoh | 2014-01-07 |
| 8354788 | Organic light emitting device | Keiji Okinaka, Masataka Yashima, Hajime Muta | 2013-01-15 |
| 8299459 | Diindenopicene compound and organic light emitting device using the same | Naoki Yamada | 2012-10-30 |
| 7982213 | Phenanthroline compound and organic light emitting device using same | Tatsundo Kawai, Takao Takiguchi, Koichi Suzuki, Akihiro Senoo, Toshinori Hasegawa +1 more | 2011-07-19 |
| 7820478 | Light-emitting device | Toshinori Hasegawa, Koichi Suzuki, Toshihide Kimura | 2010-10-26 |
| 7750340 | Light-emitting device | Toshinori Hasegawa, Koichi Suzuki, Toshihide Kimura | 2010-07-06 |
| 7550594 | Phenanthroline compound and organic light emitting device using same | Tatsundo Kawai, Takao Takiguchi, Koichi Suzuki, Akihiro Senoo, Toshinori Hasegawa +1 more | 2009-06-23 |
| 7338721 | Condensed polycyclic compound and organic light-emitting device using the same | Koichi Suzuki, Tatsundo Kawai, Akihiro Senoo, Naoki Yamada, Akihito Saitoh | 2008-03-04 |
| 7229702 | Oligofluorenlylene compounds | Akihito Saitoh, Mizuho Hiraoka, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe +2 more | 2007-06-12 |
| 7034454 | Organic light emitting device with reverse intersystem crossing light emitting molecules | Tatsundo Kawai, Koichi Suzuki, Hiroshi Tanabe, Keiji Okinaka, Naoki Yamada +2 more | 2006-04-25 |