Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049583 | Compound, composition for anisotropic dye films including the compound, anisotropic dye film, and optical element | Kei Takeshita, Seiji Akiyama, Masami Kadowaki, Terutsune Osawa, Junichi Oizumi +2 more | 2024-07-30 |
| 9732226 | Azo compound, ink containing azo compound, and display and electronic paper containing the ink | Mitsuya Aoba, Yuki Tanaka, Mio Ishida | 2017-08-15 |
| 9708498 | Azo compound, ink containing azo compound, display including said ink and electronic paper | Tomoko Kadowaki, Yuki Tanaka, Mitsuya Aoba, Mio Ishida | 2017-07-18 |
| 8999050 | Ink containing anthraquinone based dye, dye used in the ink, and display | Mio Ishida, Utako Takeda, Masami Kadowaki | 2015-04-07 |
| 8747537 | Ink containing heterocyclic azo dye, and dye for use in said ink | Utako Takeda, Shoko Ichinosawa, Mio Ishida | 2014-06-10 |
| 8143382 | Pyrazole disazo dye and ink containing the dye | Mio Ishida | 2012-03-27 |
| 7857991 | Dichroic dye composition, and liquid-crystal composition and liquid-crystal element including dichroic dye | Yuki Tanaka, Mio Ishida, Kazuhiro Tanaka, Keita Kaifu, Yukihiro Sano | 2010-12-28 |