Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12317744 | Compound having a fused-azole ring structure and organic electroluminescent element | Naoaki Kabasawa, Taeyoung Kim | 2025-05-27 |
| 11594700 | Organic electroluminescent device | Kazuyuki SURUGA, Takeshi Yamamoto | 2023-02-28 |
| 11273110 | Dye for hair coloration, composition for hair coloration containing dye, and method for producing dye | Tetsuya Yoshida | 2022-03-15 |
| 10950797 | Organic electroluminescent device | Shuichi Hayashi, Naoaki Kabasawa | 2021-03-16 |
| 10738019 | Compound including basic dye and amino acid, hair dyeing dye, and hair dyeing composition | Yasuaki Miyazaki, Shigetaka Numazawa, Katsumi Abe | 2020-08-11 |