Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10442339 | Vehicle light emitting device | Masayuki Shinohara, Yasuhiro Tanoue, Norikazu Kitamura, Gouo Kurata | 2019-10-15 |
| 9765224 | Anti-fogging film-forming material, coating liquid for forming anti-fogging film, anti-fogging article, and methods for producing these | Chiharu Takimoto, Toshihiro Hirano, Nozomi Oonishi | 2017-09-19 |
| 7276268 | Poly-azo compound, and polarization film having said compound | Narutoshi Hayashi | 2007-10-02 |
| 7070715 | Disazo compound or salt thereof and polarizing film using the same | Yoshiteru Ohta, Narutoshi Hayashi | 2006-07-04 |
| 6699976 | Polyazo compound or salt thereof and dye-based polarization film containing the same | Yoshiteru Ohta, Narutoshi Hayashi | 2004-03-02 |
| 6440507 | Unsymmetrical dioxazine compound dichroic dye liquid crystal composition and liquid crystal display element | Toshihiko Tanaka | 2002-08-27 |
| 6399752 | Polyazo compound or salt thereof and dye-based polarization film containing the same | Yoshiteru Ohta, Narutoshi Hayashi | 2002-06-04 |
| 6214990 | Triphenodioxazine compound, method for preparing the same, use of the compound as dichroic dye, and liquid crystal composition | Toshihiko Tanaka | 2001-04-10 |