KG

Kumiko Gorai

IC Idemitsu Kosan Co.: 5 patents #272 of 1,237Top 25%
Overall (All Time): #952,812 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11271171 Biscarbazole derivative and organic electroluminescent element using same Tetsuya Inoue, Mitsunori Ito, Kazuki Nishimura, Kiyoshi Ikeda 2022-03-08
10230057 Biscarbazole derivatives and organic electroluminescence device employing the same Tetsuya Inoue, Mitsunori Ito, Tomoki Kato, Kazuki Nishimura, Takayasu Sado 2019-03-12
10147889 Biscarbazole derivative and organic electroluminescent element using same Tetsuya Inoue, Mitsunori Ito, Kazuki Nishimura, Kiyoshi Ikeda 2018-12-04
9818958 Biscarbazole derivatives and organic electroluminescence device employing the same Tetsuya Inoue, Mitsunori Ito, Tomoki Kato, Kazuki Nishimura, Takayasu Sado 2017-11-14
9373802 Biscarbazole derivatives and organic electroluminescence device employing the same Tetsuya Inoue, Mitsunori Ito, Tomoki Kato, Kazuki Nishimura, Takayasu Sado 2016-06-21