TH

Takuji Hatakeyama

KF Kwansei Gakuin Educational Foundation: 23 patents #2 of 71Top 3%
SC Sk Materials Jnc Co.: 17 patents #1 of 25Top 4%
JN Jnc: 7 patents #47 of 413Top 15%
KU Kyoto University: 4 patents #111 of 1,688Top 7%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
KY Kyulux: 1 patents #44 of 91Top 50%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
TF Tosoh Finechem: 1 patents #23 of 40Top 60%
📍 Kasai, JP: #236 of 5,842 inventorsTop 5%
Overall (All Time): #135,845 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12185625 Organic electroluminescence element, display device, and lighting device Yasuhiro Kondo, Ryosuke KAWASUMI 2024-12-31
11937495 Organic light emitting element, composition and membrane Hajime Nakanotani, Yasuhiro Kondo, Yasuyuki Sasada, Motoki Yanai, Chin-Yiu Chan +5 more 2024-03-19
11877506 Polycyclic aromatic compound Bungo Kawakami, Susumu Oda, Yasuyuki Sasada, Yasuhiro Kondo 2024-01-16
11807656 Polycyclic aromatic compound and light emission layer-forming composition Yasuhiro Kondo, Keiichi Nakamoto, Motoki Yanai 2023-11-07
11800785 Material for organic device and organic electroluminescent device using the same Kazushi SHIREN, Yuko Yamaga, Guofang Wang, Yasuyuki Sasada 2023-10-24
11723263 Organic electroluminescent element Akihide MIZUTANI, Toshihiro Koike 2023-08-08
11711970 Organic electroluminescent device Yukihiro Fujita, Guofang Wang 2023-07-25
11653565 Polycyclic aromatic compound Soichiro NAKATSUKA, Hajime Gotoh, Yasuyuki Sasada, Motoki Yanai, Toshiaki IKUTA 2023-05-16
11647666 Organic electroluminescent element Katsuya Masuda, Yuko Yamaga, Motoki Yanai 2023-05-09
11637250 Polycyclic aromatic compound and light emitting layer-forming composition Yasuhiro Kondo, Keiichi Nakamoto, Motoki Yanai 2023-04-25
11637249 Organic electroluminescent element Katsuya Masuda, Motoki Yanai 2023-04-25
11600790 Polycyclic aromatic compound for organic electroluminescent device Akio Tajima, Akihide MIZUTANI, Daisuke Baba, Yuko Yamaga 2023-03-07
11586169 Production management device Yoshiki Okumura 2023-02-21
11539003 Polycyclic aromatic amino compound Guofang Wang, Yasuyuki Sasada 2022-12-27
11407774 Polycyclic aromatic compound Kohei Matsui, Yusuke Watanabe, Daisuke Baba, Yasuyuki Sasada, Motoki Yanai +1 more 2022-08-09
11342506 Organic electroluminescent element Yukihiro Fujita 2022-05-24
11248009 Polycyclic aromatic compound, material for an organic device, organic electroluminescent element, display apparatus and lighting apparatus Hiroyuki Imai, Yuko Yamaga, Daisuke Inoue, Akio Tajima 2022-02-15
11136341 Polycyclic aromatic compound and light emission layer-forming composition Yasuhiro Kondo, Keiichi Nakamoto, Motoki Yanai 2021-10-05
11139438 Organic electroluminescent element Yuko Yamaga, Daisuke Baba, Kazushi SHIREN 2021-10-05
10811613 Polycyclic aromatic compound Guofang Wang, Yohei Ono, Yuko Yamaga, Kazushi SHIREN 2020-10-20
10689402 Polycyclic aromatic compound and light emission layer-forming composition Yasuhiro Kondo, Keiichi Nakamoto, Motoki Yanai 2020-06-23
10686141 Polycyclic aromatic compound Soichiro NAKATSUKA, Hajime Gotoh, Yasuyuki Sasada, Motoki Yanai, Toshiaki IKUTA 2020-06-16
10680186 Polycyclic aromatic compound and light emitting layer-forming composition Yasuhiro Kondo, Keiichi Nakamoto, Motoki Yanai 2020-06-09
10374166 Polycyclic aromatic compound Soichiro NAKATSUKA, Kiichi Nakajima, Hiroki HIRAI, Yohei Ono, Kazushi SHIREN +3 more 2019-08-06
9741950 Polycyclic aromatic compound Masaharu Nakamura, Sigma HASHIMOTO 2017-08-22