Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9694550 | Method for producing retardation film | — | 2017-07-04 |
| 9658377 | Phase difference film layered body and method for producing the same having micrometer-scale particles in a subsequently-removed layer | Hironari Sudeji | 2017-05-23 |