Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12364160 | Organic electroluminescent element and electronic device | Toshinari Ogiwara, Satomi TASAKI, Masahiro Kawamura, Yoshiaki Takahashi | 2025-07-15 |
| 12200961 | Organic electroluminescence element, display device, and electronic apparatus | Kazuki Nishimura, Toshinari Ogiwara, Keiichi YASUKAWA | 2025-01-14 |
| 12077500 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida | 2024-09-03 |
| 11944009 | Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device | Keiichi YASUKAWA, Shota SAWANO, Toshinari Ogiwara, Takushi SHIOMI | 2024-03-26 |
| 11739061 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida | 2023-08-29 |
| 11730052 | Light-emitting device | Toshinari Ogiwara, Yoshikazu Tanaka | 2023-08-15 |
| 11482681 | Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device | Keiichi YASUKAWA, Shota SAWANO, Toshinari Ogiwara, Takushi SHIOMI | 2022-10-25 |
| 11059781 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida | 2021-07-13 |
| 10851055 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida | 2020-12-01 |
| 10590080 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida | 2020-03-17 |
| 9705087 | Organic light emitting device | Minako Nakasu, Masataka Yashima, Hajime Muta, Tomona Yamaguchi, Tomonari Horikiri +2 more | 2017-07-11 |
| 9331296 | Organic light-emitting device | Maki Okajima, Tetsuo Takahashi, Hajime Muta, Yohei Iwasaki, Minako Nakasu +2 more | 2016-05-03 |
| 9312494 | Organic light emitting device | Minako Nakasu, Masataka Yashima, Hajime Muta, Tomona Yamaguchi, Tomonari Horikiri +2 more | 2016-04-12 |
| 8808875 | Compound and organic EL device | Jun Kamatani, Shinjiro Okada, Takao Takiguchi, Akihito Saitoh, Satoshi Igawa +2 more | 2014-08-19 |
| 8691398 | 4-aminofluorene compound and organic light emitting device | Naoki Yamada, Chika Negishi, Minako Nakasu | 2014-04-08 |
| 8519613 | Organic light-emitting device | Jun Kamatani, Isao Kawata, Naoki Yamada, Akihito Saitoh, Hiroyuki Tomono +3 more | 2013-08-27 |
| 8404363 | Organic light emitting device | Akihito Saitoh, Naoki Yamada, Masataka Yashima, Koichi Suzuki, Akihiro Senoo +1 more | 2013-03-26 |
| 8384286 | Compound and organic light emitting device using the compound | Satoshi Igawa, Shinjiro Okada, Jun Kamatani, Naoki Yamada, Masashi Hashimoto +3 more | 2013-02-26 |
| 8354788 | Organic light emitting device | Masataka Yashima, Maki Okajima, Hajime Muta | 2013-01-15 |
| 8318321 | Compound and organic light-emitting device | Satoshi Igawa, Shinjiro Okada, Takao Takiguchi, Naoki Yamada, Masashi Hashimoto | 2012-11-27 |
| 8318395 | Dibenzoanthracene compound and organic light emitting device having the same | Akihito Saitoh, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto +5 more | 2012-11-27 |
| 8288017 | Fused ring aromatic compound and organic light-emitting device using same | Satoshi Igawa, Masashi Hashimoto, Shinjiro Okada, Takao Takiguchi | 2012-10-16 |
| 8227094 | Organic electroluminescent device | Masataka Yashima, Akihito Saitoh, Naoki Yamada | 2012-07-24 |
| 8102116 | Organic light-emitting device | Jun Kamatani, Isao Kawata, Naoki Yamada, Akihito Saitoh, Hiroyuki Tomono +3 more | 2012-01-24 |
| 8084147 | Organic light-emitting device | Satoshi Igawa, Masashi Hashimoto, Shinjiro Okada, Takao Takiguchi | 2011-12-27 |