Issued Patents All Time
Showing 26–50 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691491 | Monoaminofluorene compound and organic light-emitting device using the same | Akihito Saitoh, Mizuho Hiraoka, Koichi Suzuki, Hiroshi Tanabe, Naoki Yamada +1 more | 2010-04-06 |
| 7691492 | Fluorene compound and organic light-emitting device using same | Naoki Yamada, Akihito Saitoh, Keiji Okinaka, Koichi Suzuki | 2010-04-06 |
| 7632577 | Organic light-emitting device | Akihito Saitoh, Mizuho Hiraoka, Koichi Suzuki, Hiroshi Tanabe, Naoki Yamada +1 more | 2009-12-15 |
| 7604873 | Organic light emitting device | Keiji Okinaka, Akihito Saitoh, Naoki Yamada, Masataka Yashima, Koichi Suzuki +1 more | 2009-10-20 |
| 7550594 | Phenanthroline compound and organic light emitting device using same | Maki Okajima, Tatsundo Kawai, Takao Takiguchi, Koichi Suzuki, Toshinori Hasegawa +1 more | 2009-06-23 |
| 7510781 | Spiro compound and organic luminescence device using the same | Koichi Suzuki, Mizuho Hiraoki, Naoki Yamada, Chika Negishi, Akihito Saito | 2009-03-31 |
| 7491450 | Organic electroluminescent device | Keiji Okinaka, Akihito Saitoh, Koichi Suzuki, Kazunori Ueno | 2009-02-17 |
| 7387845 | Monoamino compound and organic luminescence device using the same | Akihito Saitoh, Mizuho Hiraoka, Hiroshi Tanabe, Naoki Yamada, Chika Negishi | 2008-06-17 |
| 7375250 | Aminoanthryl derivative substitution compound and organic electroluminescence device using the same | Akihito Saitoh, Kazunori Ueno, Keiji Okinaka, Koichi Suzuki | 2008-05-20 |
| 7358409 | Substituted anthryl derivative and electroluminescence device using the same | Akihito Saitoh, Kazunori Ueno, Keiji Okinaka, Koichi Suzuki | 2008-04-15 |
| 7338721 | Condensed polycyclic compound and organic light-emitting device using the same | Koichi Suzuki, Tatsundo Kawai, Naoki Yamada, Akihito Saitoh, Maki Okajima | 2008-03-04 |
| 7309533 | Substituted anthryl derivative and electroluminescence device using the same | Akihito Saitoh, Koichi Suzuki, Kazunori Ueno, Keiji Okinaka | 2007-12-18 |
| 7241513 | Fluorene compound and organic luminescent device using the same | Koichi Suzuki, Mizuho Hiraoka, Naoki Yamada, Chika Negishi, Akihito Saitoh +2 more | 2007-07-10 |
| 7229702 | Oligofluorenlylene compounds | Akihito Saitoh, Mizuho Hiraoka, Koichi Suzuki, Hiroshi Tanabe, Naoki Yamada +2 more | 2007-06-12 |
| 7173131 | Anthryl derivative group substituted compound, and organic luminescent device making use of same | Akihito Saitoh, Koichi Suzuki, Kazunori Ueno, Keiji Okinaka | 2007-02-06 |
| 7129386 | Substituted anthryl derivative and electroluminescence device using the same | Akihito Saitoh, Kazunori Ueno, Keiji Okinaka, Koichi Suzuki | 2006-10-31 |
| 7022867 | Silicon compound and method for making the same | Kazunori Ueno, Yomishi Toshida, Yuichi Hashimoto, Seiji Mashimo | 2006-04-04 |
| 6994922 | Organic luminescence device with a fused polynuclear compound | Koichi Suzuki, Hiroshi Tanabe | 2006-02-07 |
| 6916555 | Organic luminescence device | Koichi Suzuki, Kazunori Ueno | 2005-07-12 |
| 6858325 | Organic compound and electroluminescent device using the same | Yomishi Toshida, Kazunori Ueno, Seiji Mashimo | 2005-02-22 |
| 6833200 | Luminescent device with a triarylamine compound | Yuichi Hashimoto, Kazunori Ueno, Seiji Mashimo, Shinichi Urakawa | 2004-12-21 |
| 6830829 | Fused polynuclear compound and organic luminescence device | Koichi Suzuki, Hiroshi Tanabe | 2004-12-14 |
| 6740430 | Organic luminescence device | Kazunori Ueno, Koichi Suzuki, Hiroshi Tanabe, Seiji Mashimo | 2004-05-25 |
| 6661445 | Exposure apparatus with an array of light emitting devices | Seiji Mashimo, Noboru Koumura, Yukio Nagase, Yuichi Hashimoto, Kazunori Ueno | 2003-12-09 |
| 6652997 | Organic luminescence device | Koichi Suzuki, Mizuho Hiraoka, Kazunori Ueno | 2003-11-25 |