Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8889265 | Copolymer and polymer light emitting device using the same | Tomoyuki Suzuki, Chizu Sekine | 2014-11-18 |
| 8293380 | Polymer compound and polymer light emitting device using the same | Hidenobu Kakimoto, Tomoyuki Suzuki | 2012-10-23 |
| 8217387 | Polymer compound and light emitting device using the same | Tomoyuki Suzuki, Makoto Anryu | 2012-07-10 |
| 8012603 | Polymer compound and polymer light-emitting device using the same | Shuji Doi, Satoshi Kobayashi | 2011-09-06 |
| 7985810 | Polymer compound and polymer light emitting device using the same | Tomoyuki Suzuki, Makoto Anryu | 2011-07-26 |
| 7982212 | Copolymer and polymer light emitting device using the same | Tomoyuki Suzuki | 2011-07-19 |
| 7701129 | Polymeric fluorescent substance and polymer light-emitting device using the same | Shuji Doi, Yoshiaki Tsubata, Takahiro Ueoka, Shigeru Sasaki | 2010-04-20 |
| 7662478 | Polymer and polymer light-emitting device using the same | Satoshi Kobayashi, Yoshiaki Tsubata, Makoto Kitano, Shuji Doi, Takahiro Ueoka +1 more | 2010-02-16 |
| 7396571 | Polymeric fluorescent substance and polymer light-emitting device | Masato Ueda | 2008-07-08 |
| 7357990 | Polymeric fluorescent material, process for producing the same, and polymeric luminiscent element | Shuji Doi, Yoshiaki Tsubata | 2008-04-15 |
| 7297415 | Processes for producing polymeric fluorescent material and polymeric luminescent element | Masato Ueda | 2007-11-20 |
| 7258932 | Polymeric fluorescent substrate and polymer light-emitting device using the same | Shuji Doi | 2007-08-21 |
| 7255936 | Polymeric fluorescent substance and polymer light-emitting device using the same | Shuji Doi, Yoshiaki Tsubata | 2007-08-14 |
| 7256245 | Polymeric fluorescent substance and polymer light-emitting device | Masato Ueda | 2007-08-14 |
| 7244515 | Polymeric fluorescent substance and polymer light-emitting device using the same | Shuji Doi, Takahiro Ueoka | 2007-07-17 |
| 7125930 | Block copolymer and polymeric luminescent element | Yoshiaki Tsubata, Shuji Doi | 2006-10-24 |
| 6994921 | Polymeric fluorescent substance and polymer light emitting device | Masato Ueda, Masamitsu Ishitobi | 2006-02-07 |
| 6984459 | Polymeric fluorescent substance and polymer light emitting device | Shuji Doi, Makoto Kitano | 2006-01-10 |
| 6926973 | Copolymer, polymer composition and polymer light-emitting device | Tomoyuki Suzuki, Shuji Doi, Akihiko Okada | 2005-08-09 |
| 6905785 | Polymeric fluorescent substance, production thereof and polymer light-emitting device | Yoshiaki Tsubara, Shuji Doi | 2005-06-14 |
| 6841269 | Hole transporting polymer and organic electroluminescence device using the same | Makoto Kitano, Toshihiro Ohnishi, Fumi Yamaguchi, Takenori Osada | 2005-01-11 |
| 6720091 | Polymeric fluorescent substance, polymeric fluorescent substance and polymer light-emitting device using the same | Toshihiro Ohnishi, Yoshiaki Tsubata, Masato Ueda, Shigeru Sasaki | 2004-04-13 |
| 6602969 | Polymeric fluorescent substance and polymer light-emitting device | Masato Ueda | 2003-08-05 |
| 6544670 | Hole transporting polymer and organic electroluminescence device using the same | Makoto Kitano, Toshihiro Ohnishi, Fumi Yamaguchi, Takenori Osada | 2003-04-08 |
| 6521359 | Polymeric fluorescent substance and polymer light emitting device | Shuji Doi, Makoto Kitano, Fumi Yamaguchi | 2003-02-18 |