KY

Kei Yoshida

IC Idemitsu Kosan Co.: 4 patents #10 of 131Top 8%
JO Joled: 1 patents #50 of 118Top 45%
MC Mitsui Chemicals: 1 patents #58 of 221Top 30%
📍 Sodegaura, PA: #1 of 1 inventorsTop 100%
Overall (2019): #33,749 of 560,194Top 7%
5
Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10505123 Compound and organic electroluminescent device using same Toshihiro Iwakuma, Ryohei Hashimoto 2019-12-10
10435385 Amide derivatives, process for preparation thereof and use thereof as insecticide Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi +6 more 2019-10-08
10276637 Organic EL multi-color light-emitting device Toshiki Matsumoto, Tadahiko Yoshinaga, Tomoki Kato, Tetsuya Inoue, Mitsunori Ito +2 more 2019-04-30
10249826 Compound, organic electroluminescent element and electronic device Toshinari Ogiwara, Satomi TASAKI 2019-04-02
10193077 Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same Tetsuya Inoue, Mitsunori Ito, Kumiko Hibino, Kazuki Nishimura, Toshinari Ogiwara +1 more 2019-01-29