Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10444407 | Optical element including a plurality of concavities | Koki Hongo | 2019-10-15 |
| 10446773 | Substrate, optical element, mold, organic light-emitting element, organic thin-film solar cell, and method for producing substrate | Etsuko Kawamukai | 2019-10-15 |