Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12414095 | Bandwidth allocation device and bandwidth allocation method | Hiroyuki Uzawa, Tatsuya Shimada, Daisuke Hisano | 2025-09-09 |
| 12149338 | Multiplex transmission system and connection method between ports for multiplex transmission system | Naotaka SHIBATA, Keita Takahashi, Tomoya HATANO | 2024-11-19 |
| 12110274 | Carbazole derivative, and light-emitting element, light-emitting device, and electronic device using carbazole derivative | Harue Osaka, Takahiro Ushikubo, Sachiko Kawakami, Satoshi Seo, Satoko Shitagaki | 2024-10-08 |
| 12095548 | Multiplex transmission system and connection method between ports for multiplex transmission system | Keita Takahashi, Naotaka SHIBATA, Tomoya HATANO | 2024-09-17 |
| 12089494 | Organic electroluminescence element | Hajime Nakanotani, Chihaya Adachi, Hiroki Noda, Yoshitake Suzuki, Naoto Notsuka +2 more | 2024-09-10 |
| 12088978 | Communication system and ONU system | Tomoya HATANO, Keita Takahashi, Naotaka SHIBATA | 2024-09-10 |
| 12063072 | Communication system and OLT system | Tomoya HATANO, Keita Takahashi, Naotaka SHIBATA | 2024-08-13 |
| 11936432 | Communication system and OLT system | Tomoya HATANO, Keita Takahashi, Naotaka SHIBATA | 2024-03-19 |
| 11757788 | Signal transfer system, signal transfer device, signal transfer method and signal transfer program | Naotaka SHIBATA, Keita Takahashi, Tomoya HATANO | 2023-09-12 |
| 11578158 | Material for intraocular lens | Yuya Suganuma, Tatsuya Ojio, Keishi Tsukamoto | 2023-02-14 |
| 11329749 | Bandwidth allocation device and bandwidth allocation method | Hiroyuki Uzawa, Tatsuya Shimada, Daisuke Hisano | 2022-05-10 |
| 11296799 | Optical transmission system and bandwidth allocation method | Daisuke Hisano, Tatsuya Shimada, Hiroshi Ou | 2022-04-05 |
| 11038118 | Compound, light-emitting material, and organic light-emitting device | Keiro Nasu, Chihaya Adachi, Hajime Nakanotani | 2021-06-15 |
| 10790451 | Triazole derivative, and light-emitting element, light-emitting device, and electronic device with the use of triazole derivative | Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo | 2020-09-29 |
| 10716875 | Intraocular lens | Yuya Suganuma, Tatsuya Ojio, Keishi Tsukamoto | 2020-07-21 |
| 10686545 | Optical transmission system and wavelength allocation method | Daisuke Hisano, Tatsuya Shimada, Jun Terada, Hiroshi Ou | 2020-06-16 |
| 10556864 | Carbazole derivative, and light-emitting element, light-emitting device, and electronic device using the carbazole derivative | Harue Osaka, Takahiro Ushikubo, Sachiko Kawakami, Satoshi Seo, Satoko Shitagaki | 2020-02-11 |
| 10510977 | Compound, light-emitting material, and organic light-emitting device | Keiro Nasu, Chihaya Adachi, Hajime Nakanotani, YuSeok YANG | 2019-12-17 |
| 10461261 | Compound, light emitting material, and organic light emitting device | Bo Li, Akihiro Orita, Hiroshi Miyazaki, Junzo Otera, Chihaya Adachi | 2019-10-29 |
| 10276803 | Organic light-emitting device, and light-emitting material and compound used therefor | Chihaya Adachi, Hiroki Uoyama, Kenichi Goushi, Takuma Yasuda, Ryosuke Kondo +3 more | 2019-04-30 |
| 10243151 | Organic semiconductor material and light-emitting element, light-emitting device, lighting system, and electronic device using the same | Satoshi Seo, Sachiko Kawakami, Nobuharu Ohsawa | 2019-03-26 |
| 10153438 | Organic light-emitting device | Jie Li, Qisheng Zhang, Chihaya Adachi | 2018-12-11 |
| 10117965 | Intraocular lens material | Yuya Suganuma, Tatsuya Ojio | 2018-11-06 |
| 9748495 | Carbazole derivative, light-emitting element material, light-emitting element, light-emitting device, electronic device, and lighting device | Harue Osaka, Takahiro Ushikubo, Satoshi Seo | 2017-08-29 |
| 9660198 | Organic electroluminescence element and compound used therein | Tetsuya Nakagawa, Chihaya Adachi, Gabor Mehes, Keiro Nasu | 2017-05-23 |