HI

Hidetsugu Ikeda

IC Idemitsu Kosan Co.: 56 patents #16 of 1,237Top 2%
SC Seikosha Co.: 6 patents #56 of 312Top 20%
MC Mitsui Aluminium Co.: 2 patents #3 of 7Top 45%
SP Seiko Precision: 2 patents #55 of 173Top 35%
Overall (All Time): #32,483 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 1–25 of 66 patents

Patent #TitleCo-InventorsDate
12262634 Organic electroluminescence device and novel compound Ryota Takahashi, Keita SEDA, Yuki Nakano 2025-03-25
12146087 Compound and organic electroluminescence device Tomoki Kato, Keita SEDA, Ryota Takahashi, Yuki Nakano, Thomas Schaefer +2 more 2024-11-19
12108666 Compound and organic electroluminescence device Ryota Takahashi, Yuki Nakano, Keita SEDA 2024-10-01
12029119 Organic electroluminescence element and electronic device Ryota Takahashi, Satomi TASAKI, Yuichiro Kawamura, Yuki Nakano, Masakazu Funahashi +1 more 2024-07-02
11839153 Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device Ryota Takahashi, Yuki Nakano 2023-12-05
11569449 Organic electroluminescence device and novel compound Ryota Takahashi, Keita SEDA, Yuki Nakano 2023-01-31
11557730 Organic electroluminescence device and novel compound Ryota Takahashi, Keita SEDA, Yuki Nakano 2023-01-17
11489123 Compound, organic electroluminescence device and electronic device Ryota Takahashi, Tomoki Kato 2022-11-01
RE49118 Material for organic electroluminescence device and electroluminescence device employing the same Yuki Nakano, Masahide Matsuura, Toshihiro Iwakuma 2022-06-28
11342512 Compounds for organic electroluminescence device Yuki Nakano, Ryota Takahashi, Keita SEDA, Tomoki Kato, Thomas Schaefer +2 more 2022-05-24
11139437 Compound and organic electroluminescence device Keita SEDA, Ryota Takahashi, Tomoki Kato, Yuki Nakano 2021-10-05
10680181 Organic electroluminescence device and novel compound Ryota Takahashi, Keita SEDA, Yuki Nakano 2020-06-09
10672989 Organic electroluminescence device and novel compound Ryota Takahashi, Keita SEDA, Yuki Nakano 2020-06-02
10658594 Organic electroluminescence device and novel compound Ryota Takahashi, Keita SEDA, Yuki Nakano 2020-05-19
10593889 Compound and organic electroluminescence device Ryota Takahashi, Yuki Nakano, Keita SEDA 2020-03-17
10249832 Organic electroluminescence device and novel compound Ryota Takahashi, Keita SEDA, Yuki Nakano 2019-04-02
10230058 Compound, organic electroluminescence device and electronic device Ryota Takahashi, Tomoki Kato 2019-03-12
10217943 Organic electroluminescence device and anthracene derivative Motohisa Ido, Masakazu Funahashi 2019-02-26
9954187 Compound, organic electroluminescence device and electronic device Ryota Takahashi, Tomoki Kato 2018-04-24
RE46368 Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Toshihiro Iwakuma, Chishio Hosokawa, Seiji Tomita, Takashi Arakane 2017-04-18
9583716 Organic electroluminescence device and anthracene derivative Motohisa Ido, Masakazu Funahashi 2017-02-28
8911886 Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Toshihiro Iwakuma, Chishio Hosokawa, Seiji Tomita, Takashi Arakane 2014-12-16
8785006 Organic electroluminescence device and anthracene derivative Motohisa Ido, Masakazu Funahashi 2014-07-22
8766243 Heterocycle-containing asymmetric aromatic compound, compound for organic thin film transistor, and organic thin film transistor using the same Yoichi Ikeda, Masatoshi Saito, Hiroaki Nakamura, Hirofumi Kondo, Naoki Kurihara +1 more 2014-07-01
8759590 Indenopyrene compound, organic thin film solar cell material using the same, and organic thin film solar cell Ryoji Maeda, Masahide Matsuura 2014-06-24