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Keita SEDA

IC Idemitsu Kosan Co.: 15 patents #93 of 1,237Top 8%
Overall (All Time): #305,733 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12262634 Organic electroluminescence device and novel compound Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano 2025-03-25
12232419 Compound, and organic electroluminescence device and electronic apparatus using the same Ryota Takahashi, Shota SAWANO 2025-02-18
12146087 Compound and organic electroluminescence device Tomoki Kato, Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano, Thomas Schaefer +2 more 2024-11-19
12108666 Compound and organic electroluminescence device Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano 2024-10-01
11950498 Compound, material for organic electroluminescence element using same, organic electroluminescence element, and electronic device Ryota Takahashi, Yuki Nakano 2024-04-02
11569449 Organic electroluminescence device and novel compound Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano 2023-01-31
11557730 Organic electroluminescence device and novel compound Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano 2023-01-17
11342512 Compounds for organic electroluminescence device Yuki Nakano, Ryota Takahashi, Tomoki Kato, Hidetsugu Ikeda, Thomas Schaefer +2 more 2022-05-24
11139437 Compound and organic electroluminescence device Ryota Takahashi, Tomoki Kato, Hidetsugu Ikeda, Yuki Nakano 2021-10-05
10811612 Organic electroluminescence device and electronic apparatus provided with the same Yuki Nakano, Taro YAMAKI, Satomi TASAKI, Tomoki Kato, Ryota Takahashi 2020-10-20
10680181 Organic electroluminescence device and novel compound Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano 2020-06-09
10672989 Organic electroluminescence device and novel compound Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano 2020-06-02
10658594 Organic electroluminescence device and novel compound Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano 2020-05-19
10593889 Compound and organic electroluminescence device Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano 2020-03-17
10249832 Organic electroluminescence device and novel compound Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano 2019-04-02