KY

Kei Yoshida

IC Idemitsu Kosan Co.: 4 patents #7 of 151Top 5%
MC Mitsui Chemicals: 1 patents #28 of 169Top 20%
Overall (2021): #30,890 of 548,734Top 6%
5
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11201297 Organic electroluminescence device and electronic device Kei YOSHIZAKI, Toshinari Ogiwara, Yuichiro Kawamura, Keiichi YASUKAWA 2021-12-14
11059781 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Satomi TASAKI, Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma, Keiji Okinaka 2021-07-13
11043638 Organic electroluminescence device and electronic device Toshinari Ogiwara, Yuichiro Kawamura 2021-06-22
10995081 Amide derivatives, process for preparation thereof and use thereof as insecticide Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi +6 more 2021-05-04
10910565 Organic electroluminescent element, material for organic electroluminescent elements, and electronic device Toshinari Ogiwara, Satomi TASAKI 2021-02-02