Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10518445 | Cage for rolling bearing, and rolling bearing | Takumi Hayashi | 2019-12-31 |
| 9445461 | Method of producing a high-frequency heat treatment coil | Takeshi Shimasawa, Shintaro Suzuki | 2016-09-13 |
| 9263691 | Light emitting device containing iridium complex | Hiroko Yamazaki, Tetsuo Tsutsui | 2016-02-16 |
| 8994017 | Light emitting device containing iridium complex | Hiroko Yamazaki, Tetsuo Tsutsui | 2015-03-31 |
| 8758905 | Quinoxaline derivative, and organic semiconductor device, electric field light emitting device, and electronic device which have the same | Satoko Shitagaki, Hiroko Abe, Ryoji Nomura, Satoshi Seo | 2014-06-24 |
| 8610109 | Light emitting device | Hiroko Yamazaki, Tetsuo Tsutsui | 2013-12-17 |
| 8337940 | Manufacturing method of display device | — | 2012-12-25 |
| 8283052 | Quinoxaline derivative, light-emitting element, light-emitting device, and electronic appliance | Masakazu Egawa, Satoko Shitagaki | 2012-10-09 |
| 8231984 | Quinoxaline derivative, and organic semiconductor device, electric field light emitting device, and electronic device which have the same | Satoko Shitagaki, Hiroko Abe, Ryoji Nomura, Satoshi Seo | 2012-07-31 |
| 7951470 | Light emitting element, light emitting device, and lighting system | Masakazu Egawa | 2011-05-31 |
| 7737437 | Light emitting device | Hiroko Yamazaki, Tetsuo Tsutsui | 2010-06-15 |
| 7709883 | Nonvolatile semiconductor memory device | Tamae Takano, Ryota Tajima, Shunpei Yamazaki | 2010-05-04 |
| 7612204 | Quinoxaline derivative, and light-emitting element and light-emitting device using quinoxaline derivative | Masakazu Egawa | 2009-11-03 |
| 7601435 | Quinoxaline derivative, and organic semiconductor device, electric field light emitting device, and electronic device which have the same | Satoko Shitagaki, Hiroko Abe, Ryoji Nomura, Satoshi Seo | 2009-10-13 |
| 7560177 | Organic light emitting element and light emitting device using the same | Satoshi Seo, Yasuo Nakamura | 2009-07-14 |
| 7541098 | Light-emitting organic compound and light-emitting element utilizing the same | Ryoji Nomura, Hiroko Abe, Satoshi Seo | 2009-06-02 |
| 7485375 | Light emitting device and a method of manufacturing thereof | Takako Takasu, Satoshi Seo, Ryoji Nomura | 2009-02-03 |
| 7482626 | Light emitting device | Hiroko Yamazaki, Tetsuo Tsutsui | 2009-01-27 |
| 7473575 | Light emitting device | Hiroko Yamazaki, Tetsuo Tsutsui | 2009-01-06 |
| 7413816 | Organic metallic complex and electroluminescent element using the same | Hideko Inoue, Satoshi Seo, Ryoji Nomura | 2008-08-19 |
| 7314769 | Organometallic complex and light-emitting element containing the same | Satoshi Seo, Hideko Inoue | 2008-01-01 |
| 7252895 | Phosphorescence compound and electro field light emitting device having the same | Satoshi Seo, Hideko Inoue, Ryoji Nomura | 2007-08-07 |
| 7232619 | Pyrene derivative, light emitting element, and light emitting device | Ryoji Nomura, Takako Takasu, Hiroko Abe | 2007-06-19 |
| 7176307 | Organometal complex, electroluminescence material using the complex, and electroluminescence element using the complex | Satoshi Seo, Hideko Inoue | 2007-02-13 |
| 7112113 | Manufacturing method of display device | — | 2006-09-26 |