Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049583 | Compound, composition for anisotropic dye films including the compound, anisotropic dye film, and optical element | Kei Takeshita, Yasushi Shiga, Seiji Akiyama, Masami Kadowaki, Terutsune Osawa +2 more | 2024-07-30 |
| 7527862 | Dyes for anisotropic dye films, dye compositions for anisotropic dye films, anisotropic dye films and polarizing elements | Tomio Yoneyama, Ryuichi Hasegawa, Hideo Sano, Masaaki Nishimura, Masami Kadowaki | 2009-05-05 |