Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292373 | Optical plastic film, and optical laminate, polarization plate, and image display device using same | Yoshiko TANAKA, Takashi Kuroda, Akinobu Ushiyama | 2025-05-06 |
| 12216302 | Optical film, polarizing plate, image display device, and optical film selection method | Yoshiko TANAKA, Norio Ishii, Takashi Kuroda, Hiroaki Segawa, Akinobu Ushiyama | 2025-02-04 |
| 11971567 | Optical film, polarizing plate, image display device, and optical film selection method | Hikaru HOTTA, Yoshiko TANAKA, Takashi Kuroda, Akinobu Ushiyama | 2024-04-30 |
| 11885734 | Optical plastic film, and optical laminate, polarization plate, and image | Yoshiko TANAKA, Takashi Kuroda, Akinobu Ushiyama | 2024-01-30 |