RM

Ryoji Maeda

IC Idemitsu Kosan Co.: 7 patents #211 of 1,237Top 20%
Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
AC Aiphone Co.: 1 patents #26 of 52Top 50%
Overall (All Time): #400,351 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12425550 Intercom device and control system Kazuyuki Morita, Yuya Hino, Hirokazu Kusunoki, Takayuki Goto, Yu Shimizu 2025-09-23
11903308 Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device Kei Yoshida, Masatoshi Saito, Masato Nakamura, Tetsuya Masuda 2024-02-13
11723266 Organic electroluminescent element and electronic device Satomi TASAKI, Kazuki Nishimura, Yongguk LEE 2023-08-08
11489128 Organic electroluminescent element emitting light at high luminous effiency and electronic device Satomi TASAKI, Kazuki Nishimura, Tasuku HAKETA, Yuki Nakano, Hiroaki TOYOSHIMA 2022-11-01
11482675 Organic electroluminescence device and electronic apparatus Satomi TASAKI, Taro YAMAKI, Hiroaki ITOI, Yuki Nakano, Yuichiro Kawamura +2 more 2022-10-25
11393986 Mixture, organic electroluminescence device and electronic equipment Tasuku HAKETA, Kazuki Nishimura, Masato Nakamura 2022-07-19
11069861 Mixture, organic electroluminescence device and electronic equipment Tasuku HAKETA, Kazuki Nishimura, Masato Nakamura 2021-07-20
8759590 Indenopyrene compound, organic thin film solar cell material using the same, and organic thin film solar cell Hidetsugu Ikeda, Masahide Matsuura 2014-06-24
6435298 Vehicle rear underside structure Kazutoshi Mizuno, Akihito Yamazaki, Chiaki Takayama 2002-08-20
5269583 Front end structure of vehicle body 1993-12-14
5145457 Ventilation air intake structure of motor vehicle Yasushi Tanigaito 1992-09-08
4886314 Front structure for automotive vehicles 1989-12-12