Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10086556 | Method of producing retardation film, method of producing circularly polarizing plate, and film-stretching apparatus, involving braking the moving speeds of film-holding clips | Takashi Shimizu, Makoto Nakaichi, Satoshi Hirata | 2018-10-02 |